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.
Danny Kaye
Mai Zetterling
Torin Thatcher
David Burns
Leon Askin
Abner Biberman
Gavin Gordon
Otto Waldis
Steven Geray
Diana Adams
Patricia Denise
Virginia Huston
Paul England
Johnstone White
Henry Brandon
Lewis Martin
Patrick Aherne
Leon Alton
John Alderson
Patrick Whyte