Knock on Wood

Directed by Norman Panama and Melvin Frank

With Danny Kaye, Mai Zetterling, Torin Thatcher, David Burns and Leon Askin

Ventriloquist Jerry Morgan has failed with another love affair. The reason: when the relationship reaches the point when it is time to discuss marriage, his two dolls become mean and jealous. Morgan's dollmaker Papinek is a member of a spy ring who has stolen the secret plans for the top-secret Lafayette airplane. Since Morgan is leaving for Zurich the same night, he decides to hide the secret plan in the heads of the dolls.