background performer
nounUK /ˈbæk.ɡraʊnd pəˈfɔː.mər/
US /ˈbæk.ɡraʊnd pɚˈfɔːr.mɚ/
A person who acts in a movie or show without speaking, just to fill the scene.
The background performer walked across the street behind the main actors.
OTHER MEANINGS
2. Someone who stands or moves in the background of a video game or animation.
The background performer in the game made the town feel busy.
3. A person who helps behind the scenes at a live show.
As a background performer, she moved props quietly during the play.
4. A dancer who performs behind the lead singer.
The background performer danced in sync with the band.