This Is Supermarionation

David Graham

— Parker / Brains (voice)

Sylvia Anderson

— Lady Penelope (voice)

Shane Rimmer

— Scott Tracy (voice)

David Holliday

— Virgil Tracy (voice)

Francis Matthews

— Captain Scarlet (voice)

Ed Bishop

— Captain Blue (voice)

Donald Gray

— The Mysterons / Colonel White / Captain Black (voice)

Paul Maxwell

— Steve Zodiac / Captain Grey (voice)

Gerry Anderson

— Robert the Robot (voice, uncredited)