Danny Kaye (Knock on Wood) headlines this wacky WWII comedy he plays a timid American soldier, Private Ernie Williams who bears a striking resemblance to a famous British Colonel. The Military Intelligence decides to use the poor chap as a pawn and recruit the naive soldier to impersonate the legendary Colonel, who's highly targeted by the Nazi assassins. Co-starring Dana Wynter (Invasion of the Body Snatchers) as the Colonel's suspicious wife, Diana Dors (Blonde Sinner) as the Colonel's personal driver and mistress, Margaret Rutherford (Agatha Christie's Miss Marple) as the Colonel's crazy aunt, Jesse White (It's Only Money) as Ernie best friend and Wilfrid Hyde White (My Fair Lady) as the Colonel overseeing the mission. This zany action-comedy with classic Danny Kaye routines was directed by Melville Shave son (The Five Pennies).