
Sarah is a French astronaut training at the European Space Agency in Cologne. She is the only woman in the arduous program. She lives alone with Stella, her seven year old daughter. Sarah feels guilty that she cannot spend more time with her child. Her love is overpowering, unsettling. When Sarah is chosen to join the crew of a year-long space mission called Proxima, it creates chaos in the mother-daughter relationship.
Eva GreenSarah Loreau
Matt DillonMike Shannon
Zélie Boulant-LemesleStella Akerman Loreau
Lars EidingerThomas Akerman
Sandra HüllerWendy Hauer
Alexey FateevAnton OchievskiTrond-Erik VassalJurgen
Nancy TateNaomi Shannon
Grégoire ColinSarah's Doctor
Igor FilippovDimaSvetlana NekhoroshikhVera
Anna SherbininaRussian JournalistVitaly JayStar City MemberLionel FerraExoskeleton CoachManuela AguzziExoskeleton Coach