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Sylvia Anderson as Lady Penelope Creighton-Ward (voice) |
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Ray Barrett as John Tracy / The Hood (voice) |
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Alexander Davion as Space Captain Greg Martin (voice) |
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Peter Dyneley as Jeff Tracy (voice) |
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Christine Finn as Tin-Tin Kyrano (voice) |
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David Graham as Gordon Tracy / Brains / Aloysius Parker (voice) |
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Paul Maxwell as Captain Paul Travers (voice) |
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Neil McCallum as Dr. Ray Pierce (voice) |
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Bob Monkhouse as Space Navigator Brad Newman / Swinging Star Compere (voice) |
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Shane Rimmer as Scott Tracy (voice) |
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Charles Tingwell as Dr. Tony Grant / Angry Young Man / Public Relations Officer (voice) |
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Jeremy Wilkin as Virgil Tracy / Space Exploration Center President (voice) |
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Matt Zimmerman as Alan Tracy / Messenger (voice) |
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F. Vivian Dunn as Himself (voice) |
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Cliff Richard as Cliff Richard Jr. (voice) |
| Writing | Sylvia Anderson | Writer |
| Directing | David Lane | Director |
| Art | John Lageu | Production Design |
| Editing | Len Walter | Editor |
| Art | Keith Wilson | Production Design |
| Production | John Read | Associate Producer |
| Sound | Barry Gray | Original Music Composer |
| Production | Sylvia Anderson | Producer |
| Writing | Gerry Anderson | Writer |
| Directing | Harry Ledger | Assistant Director |
| Visual Effects | Derek Meddings | Visual Effects Director |
| Art | John Brown | Sculptor |
