Billy Wilder Director, Screenwriter James Stewart Charles Augustus "Slim" Lindbergh Actor Patricia Smith Mirror Girl Actor Murray Hamilton Bud Gurney Actor Bartlett Robinson Benjamin Frank Mahoney Actor Marc Connelly Father Hussman Actor Arthur Space Donald Hall Actor Charles Watts O.W. Schultz Actor Robert Cornthwaite Harry Knight Actor Harlan Warde Boedecker Actor Sheila Bond Model, Dancer Actor Dabbs Greer Goldsborough Actor Paul Birch Blythe Actor David Orrick McDearmon Harold Bixby Actor Robert Burton Major Albert Lambert Actor Maurice Manson E. Lansing Ray Actor James O'Rear Earl Thompson Actor David McMahon Lane Actor Griff Barnett Dad Actor Aaron Spelling Mr. Fearless Actor Virginia Christine Secretary Actor Richard Deacon Charles Levine Actor Charles Lederer Writer Wendell Mayes Screenwriter Leland Hayward Producer L. Robert Burks Cinematographer J. Peverell Marley Cinematographer Arthur P. Schmidt Film Editing Franz Waxman Original Music Art Loel Art Director William L. Kuehl Set Director