Wilson
Clerk
Dr. Jonas Venture (voice) (4 episodes)
Fighter Pilot / O.S.I. Instructor (voice) (1 episode)
Dr. Jonas Venture / OCLF Leader (voice) (1 episode)
Highway Cop / Scared Straight Kid 1 (voice) (1 episode)
Jonas Venture Sr. / Sandow / Samuel Clemens (voice) (1 episode)
Jonas Venture Sr. / Additional Voices (voice) (1 episode)
Dr. Jonas Venture / Additional Voices (voice) (2 episodes)
Priest 1 / Jonas Venture (voice) (1 episode)
Sonny / Interpreter / Little Jorgé (voice) (1 episode)
Tigerriffic / Therapist / Prison Guard 2 (voice) (1 episode)
Dr. Jonas Venture / More Pirates (voice) (1 episode)
Sandow (voice) (1 episode)
Jonas Venture Sr. / Psychiatrist (voice) (1 episode)
Jonas Venture Sr. / University President / Homeless Vet (voice) (1 episode)
Sonnystein / Gill-Man (voice) (1 episode)
Jonas Venture Sr. (voice) (3 episodes)
Jonas Venture Sr. / Security Guard 2 (voice) (1 episode)
Jonas Venture Sr. / Laugh Riot (voice) (1 episode)
Steve