Don't Bother to Knock … a wicked sensation as the lonely girl in room 809! An airline pilot pursues a live-in babysitter at his hotel and gradually realizes she is not as stable as perhaps she should be. Details Casts Title Don't Bother to Knock Release Date 1952-07-18 Runtime 01 Hours 16 Minutes Genres Drama Thriller Production Companies 20th Century Fox Production Countries United States of America Richard Widmark Jed Towers Marilyn Monroe Nell Forbes Anne Bancroft Lyn Lesley Donna Corcoran Bunny Jones Jeanne Cagney Rochelle Lurene Tuttle Ruth Jones Elisha Cook Jr. Eddie Forbes Jim Backus Peter Jones Verna Felton Mrs. Ballew Willis Bouchey Joe the Bartender Don Beddoe Mr. Ballew Harry Bartell Bellboy (uncredited) Gloria Blondell Janie - Cafe Photographe? John Call Bellboy (uncredited) Dick Cogan Bell Captain (uncredited) Charles J. Conrad Speaker (uncredited) Tom Daly Man in Elevator (uncredi? Elizabeth Flournoy Undetermined Role (uncre? Bess Flowers Woman at Awards Dinner (? Charles Flynn Uniformed Cop at End (un? Robert Foulk Doorman (uncredited) Grace Hayle Mrs. McMurdock (uncredit? Marjorie Holliday Phone Operator (uncredit? David McMahon Uniformed Cop at End (un? Eda Reiss Merin Maid (uncredited) Harold Miller Banquet Guest (uncredite? Vic Perrin Elevator Operator (uncre? Michael Ross Pat - Hotel Detective (u? Olan Soule Bespectacled Desk Clerk ? Brick Sullivan Doorman (uncredited) Emmett Vogan Toastmaster (uncredited) Harry Denny Harry Evans Tom Ferrandini Kay Garrett Carl M. Leviness Hans Moebus Monty O'Grady Foster H. Phinney Paul Ravel