Role or performance without screen credit—sometimes intentional (spoiler protection), sometimes contractual (background, stand-in). Saves budget, ruins ego.
You're shooting a scene and only realize during editing: someone is sitting in the background who wasn't requested — or shouldn't have been intentionally requested. That's uncredited — the art of putting people in front of the camera without naming them in the credits afterward. Sounds simple, but it regularly creates chaos between set, editing, and legal departments.
The reasons are diverse. Sometimes it's a marketing tactic: a well-known actor is doing a guest role that is meant to remain a secret — the audience is supposed to be surprised. Then the UPM instructs that the person is not to be listed in the credits. On the other hand, extras, stand-ins, and doubles are uncredited by definition — that's standard contract practice. A double steps in for dangerous scenes, gets paid, and disappears. No drama.
It becomes problematic when a speaking role remains uncredited. This happens more often than you'd think: a local actor who speaks three lines is negotiated as an "extra" to save budget. Later, the performer complains to the union — completely justified. The cinematographers and editing teams often only experience this retrospectively and then have to explain why the person is visible in the final cut but not listed.
On set, you don't give it much thought — your job is to capture the performance. But in editing, you need clear documentation: Who is allowed to be visible, who isn't? Some directors deliberately want ambivalent characters without names; that's a stylistic device. Others simply forget to update lists. Post-production then puzzles over whether the director's instruction to "keep uncredited" is still current or if it was just sloppiness.
Legally, uncredited is a gray area. SAG-AFTRA and other unions have rules: beyond a certain amount of dialogue, a role must be listed — regardless of whether the producer wants it. Stand-ins and doubles have no such claims. It's more chaotic in independent film; many work for a fee and lunch, voluntarily foregoing credit.
Best practice: Clarify who will remain uncredited during the exposé and cost planning stages — and document it in writing. For you as a DoP/cinematographer, nothing changes regarding lighting and composition. But you should know whether someone "deserves" focus and close-ups or is intentionally meant to be out of focus. Then you won't have any surprises in editing.