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Off Book
When an actor has fully memorized their lines and no longer needs to use the script.
Off Camera (O.C.)
Dialogue or action occurring out of frame, noted in scripts.
Off Screen
Anything happening outside the camera’s frame. May also be used in scripts to indicate dialogue spoken by a character who is not visible on screen (abbreviated as O.S.).
Off Stage
Action occurring outside the visible area, used in theatre and sometimes in film scripts.
Off the Page
A reading or performance that feels authentic and not like reciting lines.
On Location
Filming in a real-world location rather than on a soundstage or set.
On Set
Being physically present on the filming set; also shorthand for “ready to shoot.”
On Spec
A script or project written “on speculation,” without a commission or contract, in hopes of selling it.
On the Clock
The time in which you are officially being paid to work.
On the Move
A term used to signal that the crew is changing locations, equipment is being moved, or the production is transitioning quickly between setups.
On-the-Nose Dialogue
Dialogue that states exactly what a character feels, often considered unsubtle.
One Liner
A short version of a shooting schedule that usually omits information about the cast, but breaks down the scenes and pages to be shot for each day or the schedule. This is very helpful for the production staff and department heads to help keep track of what is happening during the entire schedule of the production.
One-er
A usually long and complex scene shot in one long take.
Open Matte
A projection technique where the full camera aperture is shown, revealing extra image usually matted out.
Op
Short for “operator.” Often refers to the camera operator, but can also apply to other operators such as steadicam op or crane op.
Optical Printer
A machine used to combine film elements (titles, effects, compositing) before digital workflows.
Outline
A written summary of a story or script that lists major plot points, scenes, and character arcs, usually created before writing the full screenplay.
Out-take
A shot or scene not used in the final edit, often due to mistakes or alternate versions. Out-takes are sometimes released as bonus content.
Over the Shoulder (OTS)
A shot of someone or something from the perspective of the shoulder of another person. Commonly used in dialogue scenes.
Overcrank
Shooting at a higher frame rate than normal, so that when played back at standard speed the action appears in slow motion.
Overexposure
When too much light hits the film or sensor, creating a washed-out or blown-out image.
Overhead
A top-down diagram showing camera, actors, and equipment placement for a scene.
Overlap (Overlapping Dialogue)
When two or more characters talk over one another; requires special handling in editing and mixing.
Overtime
Time worked beyond the scheduled hours, paid at an increased rate.
That wraps up our Film & Television Dictionary – Letter O entries. This glossary is a living resource—new terms and updated definitions are added regularly as the industry evolves. If you have a suggestion or notice a term we’ve missed, feel free to reach out and share your input.
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Want to keep building your filmmaking vocabulary? Browse the full A–Z index above, or continue directly to Letter P for more film and television terminology.