co-star

 

noun

  • a cinema or stage star appearing with another or others of equal importance: she had a well-publicized affair with her co-star

verb

[no object]
  • appear in a production as a co-star: Rickman co-starred with Bruce Willis in the movie
  • [with object] (of a production) include as a co-star: his new TV show co-stars John Schneider