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