typecast

1. V-T If an actor is typecast, they play the same type of character in every play or movie that they are in. 使(演员)定型[usu passive]

I didn't want to be typecast and I think I've maintained a large variety in the roles I've played. 我不想总是扮演同一类型的角色，我认为自己塑造的形象已经保持了相当的多样性。

African-Americans were often typecast as servants, entertainers or criminals. 非裔美国人经常被指定扮演仆人、演艺人员或罪犯的角色。