Home MovieTV Science Fiction Moontrap (1989) NASA finds remains of an ancient humanoid race on the Moon that left behind deadly robots. Subscribe to Watch! Director: Scott Derrickson Writers: Spaihts, Scott Derrickson | 3 more credits » Stars: Benedict Cumberbatch, Chiwetel Ejiofor | See full cast & crew » Run Time: 1hr 55min Language: English 7.8 96% Science Fiction