Thunderbirds Are GO (1966)

When the launch of a mission to Mars goes awry due to sabotage, International Rescue is requested to assist in the mission's second attempt.

You can now watch Thunderbirds Are GO online on the following streaming providers in the United States.

Sylvia Anderson

as Lady Penelope Creighton-Ward (voice)
Ray Barrett

as John Tracy / The Hood (voice)
Alexander Davion

as Space Captain Greg Martin (voice)
Peter Dyneley

as Jeff Tracy (voice)
Christine Finn

as Tin-Tin Kyrano (voice)
David Graham

as Gordon Tracy / Brains / Aloysius Parker (voice)
Paul Maxwell

as Captain Paul Travers (voice)
Neil McCallum

as Dr. Ray Pierce (voice)
Bob Monkhouse

as Space Navigator Brad Newman / Swinging Star Compere (voice)
Shane Rimmer

as Scott Tracy (voice)
Charles Tingwell

as Dr. Tony Grant / Angry Young Man / Public Relations Officer (voice)
Jeremy Wilkin

as Virgil Tracy / Space Exploration Center President (voice)
Matt Zimmerman

as Alan Tracy / Messenger (voice)
F. Vivian Dunn

as Himself (voice)
Cliff Richard

as Cliff Richard Jr. (voice)

Excitement is GO! Adventure is GO! Danger is GO!