Jamie Watson

as Dr.Chimpsky

as Dog (voice) (52 episodes)

as Bartleby

as Ron the Rent-a-Cop / Coach Halder (voice)

as Dr. Chimpsky

as Additional Voices (52 episodes)

as Dr. Chimpsky / He-Rilla (voice) (130 episodes)

as Additional Voices (16 episodes)

as Mildred (voice) (104 episodes)

as Captain Handsome / Professor / Cow / Zombie (voice)

as Terry (voice) (1 episode), as Nose Hair Sergeant (voice) (1 episode)

as Massimo/Russell

as Massimo / Russell (voice) (26 episodes)

as MacManus the Bagpipes (voice) (1 episode), as Wills the Fiddle (voice) (1 episode)

as (voice) (52 episodes)

as Pontius (39 episodes)

as Additional voices (1 episode)

as Carl the Evil Cockroach Wizard (voice) (120 episodes)

as Scribe (voice)

as Ron the Rent-a-Cop / Coach Halder (voice) (94 episodes)

as Quack (voice) (120 episodes)

as Dave (voice) (1 episode)