What Does V.O. Mean in a Screenplay?

V.O. stands for voice over. It is the tag appended to a character cue, as in MARA (V.O.), when the voice we hear is not physically inside the scene: a narrator, a remembered voice, a recording, or the person at the other end of a phone line. It is not the same as O.S., which means the character is in the scene but outside the frame.

Updated 2026-09-18 · About 6 sections · 5 answered questions

V.O. means voice over, and it marks where a voice comes from

V.O. is short for voice over. It is a character cue extension: a tag that sits on the cue line, after the character name, telling the reader that the voice belongs to someone who is not in the physical space of the scene.

Set in the standard dialogue block, it looks like this. The indentation shown is measured from the action margin, so the cue begins 2.2 inches in and the dialogue 1.0 inch in:

INT. MARA'S APARTMENT - NIGHT

Mara stands over a half-packed suitcase, an eviction notice in
her hand.

                      MARA (V.O.)
            I was nineteen the first time I got
            evicted.

CUT TO:

EXT. BROWNSTONE STOOP - DAY

A younger MARA, nineteen, drags a duffel bag down the steps.

The tag says nothing about how the line is delivered. It answers one question only: is the person speaking inside this scene, or not?

The answer matters to more than the reader. MARA (V.O.) tells a producer the character does not need to be on set for this line, and that the line can be recorded in a booth months later. MARA (O.S.) tells an assistant director the actor has to be there, in the room or just outside it, on the day. Using the wrong tag is the kind of detail that gets noticed on page one.

V.O. vs O.S. vs (FILTERED) vs (CONT'D)

Four tags end up on character cues. Only one of them means the voice is in the room.

Tag	Means	Typical use
`(V.O.)`	The voice is not in the physical space of the scene.	A narrator, a remembered or imagined voice, a phone voice, a recording, a broadcast.
`(O.S.)`	Off screen. The character is in this scene but outside the frame.	Someone calling from the next room, a figure behind a half-closed door, a character the camera has not found yet.
`(FILTERED)`	The voice reaches us through a device: a receiver, a speaker, a PA, a radio.	Phone calls where the tinny quality matters, dispatch chatter, announcements.
`(CONT'D)`	The same character is speaking again after an interruption or a page break.	An action line lands mid-speech and the character keeps talking.

The V.O. and O.S. distinction is the one readers police hardest, and it is the one new writers get backwards most often. O.S. means off screen but still in the scene: the character is a participant in this moment, standing in this space, and the camera simply is not on them. V.O. means the voice is not in the scene at all.

A useful test: could this character walk into frame from somewhere in this room, this street, this car? If yes, it is O.S. If the voice is coming from another time, another place, or a machine, it is V.O.

(CONT'D) is a separate question from all of this, because it says nothing about where the voice is. It only says the speech is continuing. A narrating character who is interrupted by an action line and then resumes is MARA (V.O.) and then MARA (CONT'D).

Where V.O. goes in the character cue

The tag lives on the cue line, in parentheses, immediately after the name, in capital letters with periods:

                      MARA (V.O.)
                      BEN (FILTERED)
                      VOICE (V.O.)
                      ANNOUNCER (V.O.)
                      BEN (V.O.) (CONT'D)

Periods are standard. V.O. is the page convention in the United States and the default in Final Draft. VO without periods is common as shorthand in notes and email, and appears in some UK drafts, but on the page the periods are expected.
The tag belongs to the cue, not the speech. Putting (V.O.) on its own line where a parenthetical would go makes it read as a delivery note, and in most writing apps it produces a parenthetical element, so the tag is lost from the character list and from any FDX or Fountain export.
Two extensions is the practical ceiling. BEN (V.O.) (CONT'D) appears in production drafts and is readable. Three is a sign that the scene needs restructuring.
Long names push the tag off the line. If the cue plus tag wraps, the cue is doing too much. Use the name the rest of the script uses.

Voices with no name yet get a descriptive cue, and the cue should not know more than the audience does. VOICE (V.O.), WOMAN (V.O.), CALLER (V.O.), 911 OPERATOR (V.O.), DISPATCHER (V.O.) are all standard. When the story reveals who is speaking, switch the cue to the character's name and use that name from then on, everywhere. A character list is only useful if each speaker has exactly one name.

If a character narrates the film, the convention is their own name with the tag, not NARRATOR. The point of the tag is that the voice belongs to someone in the story, and naming them keeps the two versions of the character in one column of the character list. NARRATOR is reserved for a voice that is genuinely anonymous and stays that way.

Phone calls, recordings and other voices without a body

Every voice that arrives through a device is V.O. (or a tag that says which device), because the speaker is nowhere near the scene we are watching.

A one-sided phone call, told from inside the car:

INT. MARA'S CAR - NIGHT

Mara drives. The phone sits in the cupholder, on speaker.

                      BEN (FILTERED)
            Take the next left.

                      MARA
            That's a one-way street.

(FILTERED) tells the reader the voice is coming out of a device. (V.O.) tells the reader the voice is not in the scene. Both are correct for a phone; (FILTERED) is more specific, and some writers use it for the whole call and drop it once the characters are in the same room. What you cannot do is write BEN (O.S.) while we are sitting in Mara's car and Ben is at home, because O.S. would mean Ben is in this scene, just out of shot.

Recordings follow the same logic. A voicemail, an answering machine, a dictaphone, a message playing back after the fact: all V.O., with a cue that says which voice it is or what the source is. BEN (V.O.) when the audience knows it is Ben, RECORDED VOICE (V.O.) or AUTOMATED VOICE (V.O.) when they do not. Hold music, a booking line, a bank message: AUTOMATED VOICE (V.O.).

Broadcasts are the one place writers genuinely split. When a television in the frame is playing a newscast, you will see NEWSCASTER (V.O.), NEWSCASTER (ON TV) and NEWSCASTER (FILTERED) in produced scripts. Pick the one that best describes the sound and use it consistently through the whole script; readers forgive a choice, not the inconsistency.

A voice that arrives before the cut to the scene it belongs to is a pre-lap, and it gets its own tag: BEN (PRE-LAP). That one is closer to a sound instruction than a location note, and it shows up most in shooting scripts.

For the full treatment of intercut phone scenes, including where the INTERCUT heading goes and how to label both ends of a call, see how to format a phone call in a screenplay.

Narration: when V.O. earns its place, and how it fails

Narration is the highest-risk use of V.O. because it is the easiest thing in a screenplay to write badly. Almost every draft that opens with a narrator could lose the narrator and improve, and a small number of scripts are built so thoroughly around a voice that removing it would destroy the film.

It works when the narration is doing one of four jobs:

Voice. The narrator has a way of talking that the images cannot supply: attitude, idiom, a point of view that judges what we are watching. If the voice is not entertaining on its own, the V.O. is decoration.
Compression. Two lines of narration can cover a year that would otherwise cost three scenes, moving us from one real scene to the next.
Information the image cannot carry. Context that reframes what we see, or a fact about the past that has no visual equivalent.
Deliberate irony. The gap between what the narrator says and what the camera shows is the drama. A narrator who lies, or who misunderstands their own story, is a device rather than a shortcut.

It fails when:

The narration describes what we are already looking at. This is the most common version in first drafts, and it is always cuttable.
The narration explains a scene that did not land. The scene is the problem; a narrator saying what the scene meant is a flag, not a fix.
The narration performs the emotion the performance is already doing. If the actor's face says grief, the line telling us she is grieving is fighting the film.
The narration exists so the writer can start somewhere other than the story. A five-page narrated prologue about how the world works is usually a door the writer is afraid to walk through.

The practical test is the mute test: cover the narration and read only the scene. If the scene still works, the V.O. is optional. If the scene collapses without it, the V.O. is load-bearing and needs to be at least as good as the dialogue.

Keep narration blocks short. A cluster of one to three lines reads as counterpoint to the picture. A page of narration reads as prose, and readers skim prose in scripts. If you are leaning on a narrator, the two honest options are to commit to it as a structural device, or to cut it and solve the scene problems it was hiding.

Common V.O. mistakes

O.S. used for a narrator or a phone voice. The most common single error in amateur drafts, and the fastest way to tell an experienced reader that you have not learned the shorthand yet.
The tag written as a parenthetical. (V.O.) on its own line under the cue looks close to right on a page but is a different element in the software, which means it disappears from exports and from the character list.
Inconsistent spelling. VO on page 12, V.O. on page 40. Same for OS and O.S.. Choose and hold.
Narration that repeats the action line. The action says she opens the drawer; the narrator says she opened the drawer. One of them goes.
A narrator with three names. NARRATOR in the opening, VOICE in act two, MARA (V.O.) at the end. The reader has been listening to three different people.
V.O. for a character in the room. If the character is standing behind the camera, that is O.S. V.O. would place her in another time zone.
Narration written as prose. Long, comma-heavy sentences with three clauses each cannot be said in one breath, and the read crumbles. Read every V.O. line aloud before you keep it.
The narrator explaining the theme. If a line could be printed on the poster, it is probably too explicit to be spoken over the opening shot.

Frequently asked questions

Is V.O. the same as narration?

Narration is one use of V.O., not the whole of it. A narrator is V.O.; so is a voice on a phone, a voicemail, a radio broadcast, and a character's inner monologue. Any time the audience hears a voice that is not in the scene's physical space, the tag is V.O.

Should I write V.O. or VO?

V.O. with periods, in capitals, is the page standard in the US and the default in Final Draft. VO without periods is fine as shorthand in notes and email, and it appears in some UK drafts, but on the page the periods are expected. Whichever you choose, use it the same way on every page.

What is the difference between V.O. and (O.S.)?

O.S. means off screen: the character is in this scene but outside the frame, like a voice calling from the next room. V.O. means the voice is not in the scene at all, such as a narrator speaking from another time, a voice down a phone line, or a recording.

Do I use (V.O.) for a phone call?

For the person you hear and never see, yes: (V.O.) or the more specific (FILTERED) both work, and the character actually in the scene speaks with no tag at all. If you intercut to the other location, both characters are on screen in their own scenes, so most scripts drop the extensions for the duration of the intercut.

Can a character's thoughts be written as V.O.?

Yes. Inner monologue uses the character's own cue with (V.O.), the same name as their dialogue cues, so the speaker stays the same person in the character list. It follows exactly the same rules as narration; the only difference is that the voice is meant to be inside the character's head rather than a storyteller's.

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Screenplay Formatting

What Does V.O. Mean in a Screenplay?

V.O. means voice over, and it marks where a voice comes from

V.O. vs O.S. vs (FILTERED) vs (CONT'D)

Where V.O. goes in the character cue

Phone calls, recordings and other voices without a body

Narration: when V.O. earns its place, and how it fails

Common V.O. mistakes

Frequently asked questions

Ready to turn this idea into a screenplay?

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How to Format Dialogue in a Screenplay

How to Format a Phone Call in a Screenplay

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