Oscar Homolka Carpius Actor Barbara Baxley Myra Jenkins Actor Beatrice Straight Cynthia Fortnam Actor Brian Keith Dave Rainey Actor Arch Johnson Jamie McMahon Actor Patricia Hitchcock Dorothy Actor Mike Ragan Alfredo Actor Robert Carson Inquest Board Chairman Actor Read Morgan Police Officer Actor Roscoe Ates Tavern Customer Actor Dorothea Lord Nurse Collins Actor Patrick Macnee Sgt. John Theron Actor Robert Bray Capt. Ernest Fisher Actor Alfred Hitchcock Host, Executive Producer Tyler McVey Prentiss Actor Michael J. Pollard Shoeshine Boy Actor Brad Weston Sam Pine Jr. Actor Irene Windust Mrs. Treadwell Actor Maurice Manson The Mailman Actor Paul E. Burns Fisherman Actor Bill S. Ballinger Writer Arthur Hiller Director Stuart Rosenberg Director Paul Henreid Director Harold Swanton Writer Eli Jerome Writer Henry Slesar Writer William Jerome Fay Writer James P. Cavanagh Writer Robert Turner Writer Victor Wolfson Writer Norman Lloyd Director Herschel Daugherty Director John Brahm Director Robert Bloch Writer Stanley Ellin Writer Jerry Sohl Writer Stirling Silliphant Writer Robert Stevens Director