Robert Vaughn Harry Rule Actor, Director Nyree Dawn Porter Contessa Caroline di Contini Actor Tony Anholt Paul Buchet Actor Madeleine Hinde Mary Laroche Actor Yasuko Nagazumi Suki Actor Dervis Ward Jonathan P. Hacket Actor Anthony Chinn Chino Actor Vernon Dobtcheff Joe Flynn Actor Michael Da Costa Cafe Owner Actor Linda Staab Linda McCall Actor Derren Nesbitt Colin Foster Actor Sherwood Price Carter Actor Alf Joint Boat Thug Actor Gerry Anderson Producer Reg Hill Producer John Cameron Music Brendan J. Stafford Cinematographer Frank Watts Cinematographer Jeremy Summers Director Jesse Lasky Jr. Writer Don Chaffey Director Pat Lasky Writer Tony Barwick Writer