General terms:
* Supporting actor: This is a common term for an actor who plays a significant role, but not the lead role.
* Character actor: This term is often used to describe actors who are known for playing specific, often quirky or eccentric characters.
* Ensemble cast member: This term emphasizes that the actor is part of a group of actors who work together to create a cohesive performance.
More specific terms:
* Bit part: This term refers to a very small role with minimal dialogue or screen time.
* Extra: This term is used for actors who are hired to fill a background role, often without any dialogue or specific actions.
* Uncredited actor: This term is used for actors who appear in a film or play but are not listed in the credits.
Other options:
* Emerging actor: This term suggests that the actor is still developing their career.
* Working actor: This term is used for actors who are regularly employed in the industry, regardless of their fame.
Ultimately, the best term to use will depend on the specific context and the role the actor plays.