1. An actor who plays a supporting role in a film, television show, or theatrical production, rather than the lead role
She started her career as a secondary actor in several independent films.
Ela começou sua carreira como atriz secundária em vários filmes independentes.
2. A performer whose character is not the main focus of the narrative
The secondary actors provided excellent support to the protagonist's story.
Os atores secundários ofereceram excelente apoio à história do protagonista.