Sylvester Stallone (Det. Sgt. Deke DaSilva), Rutger Hauer (Wulfgar), Billy Dee Williams (Det. Sgt. Matthew Fox), Lindsay Wagner (Irene), Persis Khambatta (Shakka Holland), Nigel Davenport (Peter Hartman), Hilary Thompson (Pam) more..., Joe Spinell (Lt. Munafo), Walter Mathews (Commissioner), E. Brian Dean (Sergeant), Sue Vanner (Girl at Party - London), Gerard Murphy (Detective Mooney (uncredited)), Jamie Gillis (Designer), Catherine Mary Stewart (Sales Girl)

David Shaber (Writer), Keith Emerson (Music), Paul Sylbert (Story), James A. Contner (Cinematography), Stanford C. Allen (Editor), Christopher Holmes (Editor), Cis Corman (Casting) more..., Peter S. Larkin (Production Design), Frederic C. Weiler (Set Decoration), Fern Buchner (Makeup Artist), Fred J. Brown (Supervising Sound Editor), Bub Asman (Sound Effects Editor), Michele Sharp (Sound Effects Editor), Mel Metcalfe (Sound Recordist), Darren T. Holmes (Assistant Editor), Virginia Katz (Assistant Editor), Hank Muller (Assistant Camera),