Opened by Mistake
- Blwyddyn: 1940
- Gwlad: United States of America
- Genre: Comedy, Mystery
- Stiwdio: Paramount Pictures
- Allweddair: reporter
- Cyfarwyddwr: George Archainbaud
- Cast: Charles Ruggles, Janice Logan, Robert Paige, William Frawley, Florence Shirley, Lawrence Grossmith
