co-star

British  

noun

1. an actor who shares star billing with another

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verb

1. to share star billing (with another actor)

2. (tr) to present as sharing top billing

   the film co-starred Mae West and W. C. Fields

Example Sentences

Phillips said she had written to Lindo, Jordan and Sinners co-star Wunmi Mosaku, as well as Tourette's activist John Davidson, to "apologise directly".

From BBC • Apr. 8, 2026

You and season 2 co-star James Marsden knew each other from growing up in Oklahoma City.

From The Wall Street Journal • Apr. 6, 2026

Amid his ongoing romance with his former Broadway co-star Sutton Foster, Jackman, 57, is making another attempt to offload his longtime Manhattan base, which he and Furness, 70, purchased for $21 million in 2008.

From MarketWatch • Apr. 6, 2026

Three years ago, “Vanderpump Rules” stars Tom Sandoval and Ariana Madix split after nine years when Madix learned that Sandoval had been having an affair with their co-star and friend Raquel Leviss for seven months.

From Los Angeles Times • Apr. 3, 2026

“I’ll bet your co-star is too, Ms. Arden. What do you say, Mr. Mitchell? Care for a beverage?”

From "George" by Alex Gino