un film de Yves Robert ; produced by Gaumont in collaboration with Gaumont Production, Productions De La Gueville, and TFI Production with the participation of le Centre National de la Cinematographie
American International Pictures ; James H. Nicholson and Samuel Z. Arkoff present ; produced by James H. Nicholson and Samuel Z. Arkoff ; written by Robert Thom ; directed by Barry Shear. Gas!, or, It became necessary to destroy the world in order to save it / American International Pictures ; James H. Nicholson and Samuel Z. Arkoff present ; screenplay by George Armitage ; produced and directed by Roger Corman