출연진
Jordi Boixaderas
Self - Narrator (voice)
José María Madiedo
Self - Astrophysic
Ana Pires
Self - INESCTEC/ISEP Researcher
Ignacio Horcada
Self - Spanish Navy Vice Admiral
Bruno Gonçalves Neves
Self - Portuguese Navy Lieutenant
Guadalupe Fernández
Self - Historian
Pablo Emilio Pérez-Mallaína
Self - Historian
Silvestre de Almeida Lacerda
Self - Historian
José Marques
Self - V Centenary Commission President
Xabier Alberdi
Self - Historian
María Antonia Colomar Albajar
Self - Historian
Tomás Mazón
Self - Researcher
유리 가가린
Self - Cosmonaut (archive footage)
존 F. 케네디
Self - Politician (archive footage)