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Yuri Gagarin as Self - Cosmonaut (archive footage) John F. Kennedy as Self - Politician (archive footage) Jordi Boixaderas as Self - Narrator (voice)

Ana Álvarez-Ossorio Editor Juan Cantón Sound Recordist Pedro Duque Thanks Manuel H. Martín Director, Screenplay Carlos Rosado Sibón Associate Producer Sara Gómez Executive Producer, Production Director Alejandro Toro Camera Operator Fátima de los Santos First Assistant Director Olmo Figueredo Producer