<Li> Paul Fitzgerald as Dr. O'Neil </Li> <Li> Derek Mears as Dojo Ninja </Li> <Ul> <Li> Pete Ploszek (motion - capture) and Johnny Knoxville (voice) as Leonardo </Li> <Li> Alan Ritchson as Raphael </Li> <Li> Noel Fisher as Michelangelo </Li> <Li> Jeremy Howard as Donatello </Li> <Li> Danny Woodburn (motion - capture) and Tony Shalhoub (voice) as Splinter </Li> </Ul> <Li> Pete Ploszek (motion - capture) and Johnny Knoxville (voice) as Leonardo </Li>

Who does the voices of teenage mutant ninja turtles