Definition of "costars" [costars]

• Plural form of costar. (noun)
• Third-person singular simple present indicative form of costar. (verb)

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• "I just saw Curtains, and its star, Debra Monk, (who had a recurring role as Andy Sipowiecz's first wife on NYPD Blue), has been on L&O, as well as 3 of her Curtain costars: Karen Ziembra, John Bolton, Michael McCormick."
• "Now, basically, I think you can't go wrong with a Hugh Grant romcom, and if you can overlook Drew's frequent bad taste in costars, you pretty much can't go wrong with her, either."
• "Then John C. Reilly delivered some scripted Vampire’s Assistant banter with his costars from the film and gave out the award for Female Break-out Performance, which went to the other Transformers hottie, Isabel Lucas."