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Peter Dyneley as Jeff Tracy / Hugo (voice) |
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Shane Rimmer as Scott Tracy (voice) |
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David Holliday as Virgil Tracy (voice) |
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Matt Zimmerman as Alan Tracy / Doolan / Stan (Patrol 304) / Patrol Base (voice) |
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David Graham as Brains / Parker / Warren Grafton / Harry Malloy (voice) |
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Sylvia Anderson as Lady Penelope (voice) |
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Christine Finn as Tin-Tin (voice) |
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Ray Barrett as Selsden / 2nd Investor / Joe (Patrol 304) / Crook with Machine Gun (voice) |
| Writing | Alan Fennell | Writer |
| Directing | David Lane | Director |
| Crew | Gerry Anderson | Creator |
| Crew | Sylvia Anderson | Creator |
| Production | Gerry Anderson | Producer |
| Production | Reg Hill | Associate Producer |
| Sound | Barry Gray | Music |
| Editing | Harry MacDonald | Editor |
| Editing | Len Walter | Supervising Editor |
| Art | Bob Bell | Art Direction |
| Art | John Blundall | Sculptor |
| Art | John Brown | Sculptor |
| Art | Grenville Nott | Assistant Art Director |
| Sound | Maurice Askew | Sound |
| Sound | Roy Lafbery | Dialogue Editor |
| Sound | Tony Lenny | Sound Editor |
| Sound | John Peverill | Supervising Sound Editor |
| Sound | John Taylor | Sound |
| Camera | Garry Coxall | Camera Operator |
| Visual Effects | Derek Meddings | Special Effects Supervisor |
| Crew | Harry Oakes | Lighting Camera |
| Crew | Ian Scoones | Special Effects |
| Crew | Michael Wilson | Lighting Camera |
| Camera | Jimmy Elliot | Camera Operator |
| Camera | Alan Perry | Camera Operator |
| Crew | Paddy Seale | Lighting Camera |
| Costume & Make-Up | Elizabeth Coleman | Wardrobe Coordinator |
| Directing | Gerry Anderson | Script Supervisor |
| Directing | Sylvia Anderson | Script Supervisor |
| Writing | Alan Pattillo | Script Editor |
