Fan Casting Frank Welker as Arnold the Pit Bull in The 39 Clues Animated Series

Frank Welker is known for his roles in Big Hero 6, Frozen, and Shrek. He has been suggested by fans for 11,192 roles on myCast, including Scooby Doo in Scooby Doo (Live Action Reboot). Similar actors include Fred Tatasciore, Dee Bradley Baker, and Kevin Michael Richardson. Frank Welker was suggested to play Arnold the Pit Bull in The 39 Clues Animated Series by jamesthethinker. Other actors sugggested to play this role include Dog Sound Effects. The 39 Clues Animated Series has 34 roles, including Animation Style, Composer, and Production Company.