Phase IV is a 1974 American science fiction film. It is the only feature-length film directed by the noted title sequence designer Saul Bass. It starred Michael Murphy, Nigel Davenport and Lynne Frederick. The interiors of the film were shot at Pinewood Studios in England and the exterior locations were shot in Kenya, Africa even though the film is set in the Arizona desert of the United States. It was produced by Alced Productions and Paramount Pictures.