为什么他总是被选来扮演罪犯？

Why is he always ___cast as a criminal?

这部电影选了一位知名演员担任配角。

The film ___casts a well-known actor in the supporting role.

他们正在寻找有经验的演员来出演这部戏剧。

They are looking to ___cast someone with experience for the play.