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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)

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