Cast

Peter Dyneley

Jeff Tracy (voice)

Shane Rimmer

Scott Tracy (voice)

David Holliday

Virgil Tracy (voice)

Jeremy Wilkin

Virgil Tracy / Cravitz (voice)

Matt Zimmerman

Alan Tracy / Ned Cook (voice)

David Graham

Brains / Gordon Tracy / Aloysius Parker / Kyrano / Joe / Clayton / 2nd Site Control Policeman (voice)

Sylvia Anderson

Lady Penelope (voice)

Christine Finn

Tin-Tin Kyrano (voice)

Ray Barrett

John Tracy / U.S.N. Sentinel Commander / Compère / 1st Site Control Policeman (voice)

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John Tate

Frank Hooper / Sir Harry (voice)

Crew

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Alan Fennell

Writer (Writing)

Brian Johnson

Special Effects (Crew)

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Derek Meddings

Special Effects Supervisor (Visual Effects)

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Barry Gray

Music (Sound)

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Barry Gray

Music Director (Sound)

Gerry Anderson

Original Concept (Writing)

Sylvia Anderson

Original Concept (Writing)

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Robert Mandell

Production Coordinator (Production)

Reg Hill

Producer (Production)

Gerry Anderson

Executive Producer (Production)