The series stars Joel Kinnaman in the lead role as fictionalised NASA astronaut Edward Baldwin and Apollo 11 crew Neil Armstrong, Buzz Aldrin and Michael Collins as characters in the story. Michael Dorman, Wrenn Schmidt, Shantel VanSanten, Sarah Jones, Jodi Balfour, Michael Harney and Colm Feore appear in supporting roles in the series. Seth Gordon directed the first two episodes of season 1.