Alfred Hitchcock Director, Producer Jon Finch Richard Ian Blaney Actor Barry Foster Robert Rusk Actor Barbara Leigh-Hunt Brenda Margaret Blaney Actor Anna Massey Barbara Jane "Babs" Milligan Actor Alec McCowen Chief Inspector Oxford Actor Vivien Merchant Mrs. Oxford Actor Billie Whitelaw Hetty Porter Actor Jean Marsh Monica Barling Actor Bernard Cribbins Felix Forsythe Actor Michael Bates Sergeant Spearman Actor Clive Swift Johnny Porter Actor John Boxer Sir George Actor Madge Ryan Mrs. Davison Actor George Tovey Mr. Salt Actor Elsie Randolph Gladys Actor Jimmy Gardner Hotel porter Actor Gerald Sim Solicitor in pub Actor Noel Johnson Doctor in pub Actor Arthur La Bern Writer Anthony Shaffer Writer William Hill Associate Producer Gilbert Taylor Cinematographer Leonard J. South Cinematographer John Jympson Film Editing Ron Goodwin Original Music Syd Cain Production Design Robert W. Laing Art Director Sally Nicholl Casting Harry Frampton Makeup Artist Patricia McDermott Hair Stylist Brian Burgess Production Manager