co-star

US /ˈkoʊˌstɑːr/
UK /ˈkoʊˌstɑːr/
"co-star" picture
1.

联合主演, 配角

one of two or more main actors in a film or play

:
She played opposite her long-time friend as a co-star in the new movie.
在新电影中,她与她的老朋友担任联合主演
The two actors have been co-stars in several successful TV series.
这两位演员在几部成功的电视剧中都是联合主演
1.

联合主演, 共同出演

to star with another actor or actors in a film or play

:
He will co-star with a famous actress in the upcoming drama.
他将在即将上映的电视剧中与一位著名女演员联合主演
They decided to co-star in a romantic comedy.
他们决定联合主演一部浪漫喜剧。