Desmond Davis Director Donald Sutherland Dr. Arthur Calgary Actor Faye Dunaway Rachel Argyle Actor Christopher Plummer Leo Argyle Actor Sarah Miles Mary Durant Actor Ian McShane Philip Durant Actor Diana Quick Gwenda Vaughan Actor Annette Crosbie Kirsten Lindstrom Actor Michael Elphick Inspector Huish Actor George Innes Archie Leach Actor Valerie Whittington Hester Argyle Actor Phoebe Nicholls Tina Argyle Actor Michael Maloney Micky Argyle Actor Alexander Stuart Screenwriter Jenny Craven Producer Yoram Globus Executive Producer Menahem Golan Executive Producer Billy Williams Cinematographer Timothy Gee Film Editing