Onder andere met: Dean Martin (Matt Helm), Ann-Margret (Suzie), Karl Malden (Julian Wall), Camilla Sparv (Coco Duquette), James Gregory (MacDonald), Beverly Adams (Lovey Kravezit), Richard Eastham (Dr. Solaris), Tom Reese (Ironhead), Duke Howard (Billy Orcutt), Marcel Hillaire (Police Capt. Deveraux), Corinne Cole (Miss January), Robert Terry (Dr. Rogas)