Chris Pine MantivitiesBREAKING: Star Trek‘s Chris Pine has co-written and will star in Mantivities, a comedy that has been set up with Waterstone Entertainment heads Jeff Kalligheri and Stephen Bowen. Pine wrote the script with his buddies Will Greenberg, Drew Howerton, Robert Baker, Ian Gotler and Tony Liebetrau. Michael Patrick Jann is attached to direct. The comedy focuses on a group of friends in their early 30s, all in various stages of permanent adolescence. They get together with the aim of helping one of them grow up. Pine will produce with Sarah Babineau, Jordan Foley and Waterstone’s Kalligheri, Bowen and Steven Garcia.Waterstone Mantivities“I couldn’t be happier to begin the adventure of making Mantivities knowing how much fun we all had writing it,” Pine said. “‘Somehow I get to laugh with my friends and call it work.”

Jann is repped by CAA, Pine is managed by John Carrabino and Gendler & Kelly, while Waterstone’s repped by Gersh’s Jay Cohen. Greenberg’s repped by CAA, Baker by The Kohner Agency.

Waterstone’s first film, The Letter, is a psychological thriller that stars James Franco and Wynona Ryder, with a domestic deal near as Cannes begins.