Teenage Caveman stars Robert Vaughn, Darah Marshall, and Leslie Bradley. Humans become cave dwellers after the nuclear holocost. Curiosity and neccessity drive a young hunter to venture into a tribal forbidden zone. He confronts giant reptiles and other perils. Just when you expect the dramatic ending the film abruptly changes into a documentary style warning about the perils of nuclear explosions. Produced and directed by Roger Corman. R. Wright Campbell wrote the screenplay. Click for other version of poster