Francis Matthews

Captain Scarlet (voice) (archive footage)

Ed Bishop

Captain Blue (voice) (archive footage)

Donald Gray

Captain White / Captain Black / The Mysterons (voice) (archive footage)

Cy Grant

Lieutenant Green (voice) (archive footage)

Elizabeth Morgan

Destiny Angel (voice) (archive footage)

Gary Files

Captain Magenta / Pilot (voice) (archive footage)

David Healy

Lunar Controller / Frazer (voice) (archive footage)

Charles Tingwell

Lieutenant Dean / Carter (voice) (archive footage)

Jeremy Wilkin

Captain Ocher / Angelini / Control / Shroeder / Kurnitz / Human Captain Black (voice) (archive footage)

Martin King

Orson / Speech Intelligence Decoder (S.I.D.) (voice) (archive footage)

Sylvia Anderson

Linda Nolan / Receptionist (voice) (archive footage)

Paul Maxwell

Captain Grey / Breck (voice) (archive footage)

Janna Hill

(voice) (archive footage) (credit only)

Lian-Shin Yang

(voice) (archive footage) (credit only)