Bwana Devil is a 1952 U.S. adventure B movie written, directed, and produced by Arch Oboler, and starring Robert Stack, Barbara Britton, and Nigel Bruce. "Bwana Devil" is based on the true story of the Tsavo maneaters and filmed with the Natural Vision 3D system. The film is notable for sparking the first 3D film craze in the motion picture industry, as well as for being the first feature-length 3D film in color and the first 3D sound feature in English.