- Jan Wörner - Self - ESA Director
- Samantha Cristoforetti - Self - Astronaut
- Hervé Stevenin - Self - ESA Member
- Kathrin Nowak - Self - ESA Member
- James L. Green - Self - NASA Member
- Eric Stallmer - Self - CSF President
- John Thornton - Self - Astrobotic President
- Étienne Schneider - Self - Politician
- Kyle Acierno - Self - iSpace Europe Director
- Kai-Uwe Schrogl - Self - ESA Member
- Oliver Juckenhöfel - Self - ASS Member
- Damien Cochereau - Self (voice)
- Bruno Magne - Self (voice)
- Anne Massoteau - Self (voice)
- Cyril Mazzoti - Self (voice)
- Eugene Cernan - Self - Astronaut (archive footage)
- Harrison Schmitt - Self - Astronaut (archive footage)
- Yuri Gagarin - Self - Cosmonaut (archive footage)
- Nikita Khrushchev - Self - Politician (archive footage)
- John F. Kennedy - Self - Politician (archive footage)
- Donald Trump - Self - Politician (archive footage)
- Xi Jinping - Self - Politician (archive footage)
- Véronique Préault
- Véronique Préault
- Heike Lettau
- Laurent Mini
- Hélène Ratero
- Karim Samaï
- Sylvain Moreau
- Sylvain Moreau
Capítulo disponible en las siguientes plataformas:
