bit part

Etymology
From.

Noun

 * 1)  A minor role, generally not assigned a name.
 * 2) * 2005, Most of her work, however, consisted of bit parts. She often was cast in movies credited only as "flower vendor," "warden" or "suntan lady," &mdash; 'Five Easy Pieces' waitress dead at 85, CNN online.

Translations

 * Italian: particina, ruolo secondario, ruolo minore,
 * Russian: эпизоди́ческая ро́ль