Johnny Knoxville and Tony Shalhoub (Monk, Men in Black, Galaxy Quest) are lending their voices to the Teenage Mutant Ninja Turtles movie.

Shalhoub and Knoxville

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According to Deadline , Knoxville will voice Turtle leader Leonardo, and Shalhoub will bring gravitas to Master Splinter. While Pete Ploszek and Danny Woodburn played Leo and Splinter respectively during principal photography, Deadline reports that the filmmakers were always open to changing the voices of the characters and the actor's contracts only guaranteed their physical performances.The Michael Bay-produced, Jonathan Liebesman-directed movie is currently undergoing re-shoots , and is due in theaters August 8.

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