Onder andere met: Terence Hill (Rosco Frazer alias Steinberg), Bud Spencer (Doug O'Riordan alias Mason), Buffy Dee (K1), David Huddleston (Tiger), Riccardo Pizzuti (Infido (Dr. Spider in US version)), Faith Minton (The Vamp), Dan Rambo (Jeremy Scott), Susan Teesdale (Barmaid), Dan Fitzgerald (Hotel Concierge), Al Nestor (Hamburger Vendor), Christine Troples (Concerned, younger wife in Pizza bar), (as Christina Troples), Woody Woodbury (Agent on plane)