Cast principale
Francis Matthews
Captain Scarlet (voice)
Ed Bishop
Captain Blue (voice)
Donald Gray
Colonel White / Captain Black / The Mysterons (voice)
Cy Grant
Lieutenant Green (voice)
Elizabeth Morgan
Destiny Angel / Rhapsody Angel / Harmony Angel (voice)
Gary Files
Captain Magenta (voice)
David Healy
(voice) (credit only)
Charles Tingwell
Lieutenant Dean / Captain Brown / Agent 042 / Various Characters (voice)