Fraquinho, mas assistível.

http://www.imdb.com/title/tt0077294/

Capricorn One (1977)

Directed by Peter Hyams. With Elliott Gould, James Brolin, Brenda Vaccaro, Sam Waterston. A NASA Mars mission won't work, and its funding is endangered, so they decide to fake it just this once. But then they have to keep the secret…