Sea King (voice)

Michael/Gravity/Lucky/Dirk-o/Mr. Justice/Jelly King (voice) (20 episodes)

Falaroy (voice)

Masterson (1 episode)

Poli (26 episodes)

P. King Duckling (voice) (52 episodes)

Megatron (voice) (64 episodes)

Kiki (voice)

Radio Announcer #1 (voice) (1 episode)

Bob (voice)

Casey Jones (voice)

James Wyler

(84 episodes)

Donha (voice) (39 episodes)

Vance (voice) (1 episode)

(26 episodes)

Franklin Fizzlybear (voice) (104 episodes)

(2 episodes)

Director (1 episode)

(13 episodes)

(1 episode)

Kid Muscle / TMNT narrator / Wayne Cramp (voice)

Casey Jones (voice) (128 episodes)

Serling (voice) (26 episodes)

Anthony DiMartino / Timothy O'Neill / Kevin Thompson / Jamie White (voice)

Kevin Thompson (voice)

Kevin Thompson (voice) (65 episodes)

UCLA student (1 episode)

UCLA Student (uncredited) (1 episode)