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