Henry W. George Director Joseph Sargent Director Robert Vaughn Napoleon Solo Actor David McCallum Illya Kuryakin Actor Jack Palance Louis Strago Actor Janet Leigh Miss Diketon Actor Leo G. Carroll Alexander Waverley Actor Eduardo Ciannelli Arturo 'Fingers' Stilletto Actor Ludwig Donath Dr. Heinrich von Kronen Actor Will Kuluva Mr. Thaler Actor Thrush Boss Actor Peter Allan Fields Screenwriter Boris Ingster Producer Norman Felton Executive Producer Fred J. Koenekamp Cinematographer Joseph Dervin Film Editing Ray Williford Film Editing Nelson Riddle Original Music George W Davis Art Director James W. Sullivan Art Director Henry Grace Set Decoration Frank Lombardo Set Decoration Dick Pfefferle Set Decoration