actor  
noun [ C ] uk/ˈæk.tər/ us/ˈæk.tɚ/ (female also actress)
  (IN THEATRE, FILM, ETC.)      
A2 演员
someone who pretends to be someone else while performing in a film, play, or television or radio programme
  "Who's your favourite actor?" "Robert de Niro." “你最喜欢的演员是谁?”“罗伯特•德尼罗。” 
 She is one of the most versatile actors working today. 
Synonym: thespian 
Compare: actress
 - More examples
- As an actor he could communicate a whole range of emotions.
- Tributes have been pouring in from all over the world for the famous actor who died yesterday.
- Hamlet was played by Romania's leading actor, Ion Caramitrou.
- He made his reputation as an actor playing villains.