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

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