walk-on

Noun walk-on has 1 sense

• walk-on(n = noun.person) - plays a small part in a dramatic production;
is a kind of actor, histrion, player, role player, thespian

Adjective walk-on has 1 sense

• walk-on(a = adj.all) nonspeaking - not capable of or especially not involving speech or spoken lines; "had a nonspeaking role in the play"