In this April 20, 2015, file photo, Seann William Scott attends the LA Screening of "Just Before I Go" at ArcLight Hollywood in Los Angeles. “Lethal Weapon” will have a new co-star when it returns to Fox for a third season. Scott will replace Clayne Crawford in the action drama based on the movie franchise.

 (AP)
























"Lethal Weapon" will return for a third season on Fox with a new co-star.



















Seann William Scott will replace Clayne Crawford in the action drama based on the movie franchise.












The 41-year-old Scott is best known for his role as Steve Stifler in the "American Pie" film series.














Warner Bros. Television decided not to renew Crawford's contract. He posted a message of congratulations to the cast and crew on Instagram.












"To my cast and crew - CONGRATULATIONS on season 3! To the Fans - Thank you for the overwhelming support and love. Riggs was a dream role and the experience will live with me forever. My heart is full. Good Luck nxt season," Crawford wrote.




















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Crawford's Martin Riggs character will be written out, and Scott will play a new character with co-star Damon Wayans.
















The Associated Press contributed to this report.