Harvey Hart Director Armand Assante Alfred De Marigny Actor Catherine Mary Stewart Nancy Actor Rod Steiger Sir Harry Oakes Actor Mariette Hartley Lady Oakes Actor Kevin McCarthy Harold Christie Actor Michael Sarrazin Mike Vincent Actor Wayne Rogers Raymond Schindler Actor Andrew Ray Duke of Windsor Actor James Leasor Writer David Reid Writer Andrew Laskos Writer Michael Custance Producer W. Paterson Ferns Executive Producer Joel Fields Co-Producer Leonard Hill Executive Producer Peter Jefferies Executive Producer Ian McDougall Producer Hagood Hardy Original Music Albert J. Dunk Cinematographer David Hill Film Editing Rebecca Ross Film Editing