冷战时期美苏在登月计划上的竞争，美国政府为了拔得头筹不顾一切的细节以纪录片式的旁观镜头交代。对航天员与家人、同事在此压力下的关系有深刻的描绘。结尾相当具有讽刺意味，演员的突出表现，使得本片更有说服力。
James Caan
Lee Stegler
Joanna Moore
Mickey Stegler
Robert Duvall
Chiz
Barbara Baxley
Jean
Charles Aidman
Gus
Steve Ihnat
Ross Duellan
Michael Murphy
Rick
Ted Knight
Walter Larson
Stephen Coit
Ehrman
John Rayner
Dunc
Charles Irving
Seidel
Bobby Riha
Stevie Stegler
Ray Ballard
Manager (uncredited)
Benjie Bancroft
Technician (uncredited)
