Knock on Wood is a 1954 comedy starring Danny Kaye and Mai Zetterling. Other actors in the film include Torin Thatcher, David Burns, and Leon Askin. The film was written and directed by Melvin Frank and Norman Panama, with songs by Kayes wife, Sylvia Fine.
At the same time, Jerry becomes unwittingly intertwined with spies and has to run from the police. In his escape, he finds himself impersonating a British car salesman, trying to demonstrate a new convertible with loads of bells and whistles. Later on, he finds himself on stage in the middle of the performance of an exotic ballet.The film features dialogue with linguistic play particularly the names of the dummies Clarence and Terrence and the Slavic names of the spies which would also be a feature of Kayes later film The Court Jester likewise written and directed by Frank and Panama. ........
Source: Wikipedia