<Ul> <Li> Mason Adams as Senator Clinton P. Anderson, chairman of the Senate committee investigating the Apollo 1 fire in episode 2 . </Li> <Li> Ronny Cox as Lee Atwood, president of North American Aviation, the Apollo spacecraft prime contractor . </Li> <Li> Andrew Rubin as Jules Bergman, ABC TV science editor </Li> <Li> Alan Ruck as Tom Dolan, an engineer at Chance Vought Industries who made the Moon - rendezvous report that landed at Houbolts desk . </Li> <Li> Isa Totah as Farouk El - Baz, a lunar geologist who trains Apollo 15 Command Module Pilot Al Worden to recognize lunar surface features from orbit in episode 10 . </Li> <Li> Matt Craven as Tom Kelly, Grumman engineer responsible for managing the design and construction of the Lunar Module . </Li> <Li> Tchéky Karyo as Georges Méliès, a French filmmaker who made the 1902 film Le Voyage dans la Lune . </Li> <Li> John Slattery as Senator Walter Mondale </Li> <Li> David Clennon as geology professor Lee Silver, who trains the Apollo 15 - 17 landing crews to recognize important lunar material to collect, in episodes 10 and 12 . </Li> <Li> Janis Benson as Senator Margaret Chase Smith </Li> <Li> Jack Gilpin as Ted Sorensen, Deputy Counsel to President Kennedy . </Li> <Li> Tom Nowicki as David Bell, director of the Office of Management and Budget . </Li> <Li> James Rebhorn as Harrison Storms, vice president of North American, responsible for the Command and Service Modules . </Li> <Li> Max Wright as Guenter Wendt, Pad Leader for the Mercury, Gemini and Apollo programs . </Li> <Li> Al Franken as Jerome Wiesner, President John F. Kennedy's science advisor in episode 1 . </Li> </Ul> <Li> Mason Adams as Senator Clinton P. Anderson, chairman of the Senate committee investigating the Apollo 1 fire in episode 2 . </Li> <Li> Ronny Cox as Lee Atwood, president of North American Aviation, the Apollo spacecraft prime contractor . </Li> <Li> Andrew Rubin as Jules Bergman, ABC TV science editor </Li>

Al bean from the earth to the moon