Knock on Wood
- Ano: 1954
- País: United States of America
- Xénero: Action, Comedy
- Estudo: Dena Productions, Paramount Pictures
- Palabra clave: spy, love, ventriloquist, murder
- Director: Norman Panama, Melvin Frank
- Reparto: Danny Kaye, Mai Zetterling, Torin Thatcher, David Burns, Leon Askin, Abner Biberman