Lady Penelope Creighton-Ward (voice)
John Tracy / The Hood (voice)
Space Captain Greg Martin (voice)
Jeff Tracy (voice)
Tin-Tin Kyrano (voice)
Gordon Tracy / Brains / Aloysius Parker (voice)
Captain Paul Travers (voice)
Dr. Ray Pierce (voice)
Space Navigator Brad Newman / Swinging Star Compere (voice)
Scott Tracy (voice)
Dr. Tony Grant / Angry Young Man / Public Relations Officer (voice)
Virgil Tracy / Space Exploration Center President (voice)
Alan Tracy / Messenger (voice)
Himself (voice)
Cliff Richard Jr. (voice)
