Ηθοποιοί επεισοδίου
Francis MatthewsCaptain Scarlet (voice)
Ed BishopNarrator / Captain Blue (voice)
Donald GrayThe Mysterons / Colonel White / Captain Black (voice)
Cy GrantLieutenant Green (voice)
Sylvia AndersonMelody Angel (voice)
Elizabeth MorganRhapsody Angel / Harmony Angel (voice)
Paul MaxwellBase Commander (voice)
Charles TingwellBase Controller (voice)
Jeremy WilkinCaptain / Security Man (voice)
Gary FilesMajor Reeves (voice)
★
Martin KingSergeant / Airstrip Announcer (voice)