Sergeant Deadhead

Running 1h 30m and made in the United States, Sergeant Deadhead (1965) is a Comedy and Music film in the 123movies catalog. The cast includes Frankie Avalon and Deborah Walley; Norman Taurog directs. 4 votes put it at 5.2/10. An astronaut goes into space with a chimpanzee. When they return to Earth after their orbit, it is discovered that the chimp has the brains of the astronaut, and the astronaut has the brains of the chimp. Complications ensue.