Full cast of Thunderbirds

Christine Finn

Tin-Tin Kyrano (voice) / Tin-Tin Kyrano

65 episodes

Ray Barrett

John Tracy / Deborah, Duchess of Royston / Brophy / Fireflash Co-Pilot / Percy's Friend (voice) / Colonel Harris / Colonel Benson (voice) / Dr. Orchard (voice) / Atom Sub Reefer Captain / TV Reporter (voice) / Jansen (voice)

59 episodes

Peter Dyneley

Jeff Tracy

54 episodes

Sylvia Anderson

Lady Penelope Creighton-Ward

48 episodes

Matt Zimmerman

Alan Tracy (voice) / Press Officer / 2nd Reporter (voice) / Lieutenant Jensen (voice) / Hector McGill (voice) / TV Reporter (voice) / Banino / Macklin / Foreign Lieutenant (voice) / 2nd Croupier / Hendricks (voice) / Atom Sub Reefer Lieutenant (voice) / Franklin / Gutierrez (voice)

40 episodes

Shane Rimmer

Scott Tracy / Reactor Control Assistant (voice)

39 episodes

David Graham

Gordon Tracy / Brains (voice) / Parker / Wilbur EDandridge III / Captain Hanson (voice)

33 episodes

David Holliday

Virgil Tracy (voice)

32 episodes

Paul Maxwell

Captain Paul Travers

27 episodes

Alexander Davion

Space Captain Greg Martin

26 episodes

Jeremy Wilkin

6 episodes

John Tate

McColl / Security Guard (voice) (uncredited) / Solarnaut Camp (voice) (uncredited) / Frank Hooper / Sir Harry (voice) (uncredited) / Various Characters (voice) (uncredited) / Blackmer (voice) (uncredited) / Maxie / Scheiler / Foreign Colonel (voice) (uncredited)

6 episodes

Charles Tingwell

3 episodes