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)

Jeremy Wilkin

Captain Ochre / Jackson / Human Captain Black / Various Characters (voice)

Neil McCallum

Delta-Tango 19 Pilot / Airport Controller (voice)

Sylvia Anderson

Melody Angel (voice)

Paul Maxwell

Captain Grey / World President / Fire Chief (voice)