Ηθοποιοί επεισοδίου
Francis MatthewsCaptain Scarlet (voice)
Ed BishopNarrator / Captain Blue (voice)
Donald GrayThe Mysterons / Colonel White / Captain Black (voice)
Cy GrantLieutenant Green (voice)
Elizabeth MorganDestiny Angel (voice)
Sylvia AndersonMelody Angel (voice)
Paul MaxwellCaptain Grey / 1st Policeman (voice)
Charles TingwellMacy (voice)
Jeremy WilkinCaptain Ochre / 3rd Policeman / 5th Policeman / Radio Announcer (voice)
★
Martin King2nd Policeman (voice)
Neil McCallum4th Policeman (voice)