On this day in movie history - The Man Who Knew Too Much (1956):

The Man Who Knew Too Much,

directed by Alfred Hitchcock,

written by John Michael Hayes,

based on a story by Charles Bennett and D. B. Wyndham-Lewis,

was released in the United States on May 16, 1956.
Music by Bernard Herrmann.
Song: Que Sera, Sera (Whatever Will Be, Will Be), performed by Doris Day.

Cast:
Doris Day, James Stewart, Brenda de Banzie, Bernard Miles, Ralph Truman, Daniel Gélin, Mogens Wieth, Alan Mowbray, Hillary Brooke, Christopher Olsen, Reggie Nalder, Richard Wattis, Noel Willman, Alix Talton, Yves Brainville, Carolyn Jones, London Symphony Orchestra, Bernard Herrmann, Covent Garden Chorus, Barbara Howitt, Patrick Aherne, Frank Albertson, Frank Atkinson, Walter Bacon, Frank Baker, John Barrard, Betty Baskcomb, Hyma Beckley, Paul Beradi, Eumenio Blanco, Arline Bletcher, Alexis Bobrinskoy, Lovyss Bradley, Janet Bruce, Naida Buckingham, Clifford Buckton, Barbara Burke, Nora Bush, Peter Camlin, Albert Carrier, Jimmy Charters, Abdelhaq Chraibi, Oliver Cross, Pauline Farr, Harry Fine, Alex Frazer, Wolf Frees, Milton Frome, Leo Gordon, Walter Gotell, Victor Harrington, Sam Harris, George Hilsdon, Alfred Hitchcock, Gladys Holland, Jimmie Horan, George Howe, Allen Jaffe, Philip Johns, Barbara Jones, Harold Kasket, Barry Keegan, Lou Krugman, Anne Kunde, Lloyd Lamble, Anthony Lang, Donald Lawton, Marion Lessing, Carl M. Leviness, Enid Lindsey, Mayne Lynton, Janet Macfarlane, Edward Manouk, Richard Marner, John Marshall, Lewis Martin, Louis Mercier, Lee Miller, Lola Morice, Ralph Neff, Leslie Newport, John O'Malley, Elsa Palmer, Liddell Peddieson, Jean Ransome, Arthur Ridley, Lucile Sewall, Alma Taylor.