On screen
Cast
12 credited performers
David Graham
Gordon Tracy / Brains (voice)
Shane Rimmer
Reactor Control Assistant (voice)
Peter Dyneley
Jeff Tracy (voice)
Christine Finn
Tin-Tin Kyrano (voice)
Sylvia Anderson
Lady Penelope Creighton-Ward (voice)
Ray Barrett
John Tracy (voice)
Matt Zimmerman
Banino / Macklin / Foreign Lieutenant (voice)
David Holliday
Virgil Tracy (voice)
Jeremy Wilkin
Virgil Tracy (voice)
Artwork unavailable
John Tate
Solarnaut Camp (voice) (uncredited)
Charles Tingwell
Character not listed
Paul Maxwell
Character not listed