walk-on role
nounUK /ˈwɔːk ɒn rəʊl/
US /ˈwɔːk ɑːn roʊl/
A small part in a play or movie with no lines to say.
She was excited to get a walk-on role in the school play.
OTHER MEANINGS
2. A tiny job or position with little importance.
He took a walk-on role in the project just to help out.
3. A brief appearance by a famous person in a film.
The director gave the singer a walk-on role in the movie.
4. A chance to join a team or group without being chosen first.
The coach offered him a walk-on role on the squad.