walk-on

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

plays a small part in a dramatic production
• Hypernyms:
actor, histrion, player, thespian, role player

II - adjective

not capable of or especially not involving speech or spoken lines
- had a nonspeaking role in the play
• Syn:
nonspeaking
• Ant:
speaking (for: nonspeaking)