Fall In is a 1942 American comedy film directed by Kurt Neumann and written by Eugene Conrad and Edward E. Seabrook.

The film stars William Tracy, Joe Sawyer, Robert Barrat, Jean Porter and Arthur Hunnicutt.

Due to the expected increase in the number of new soldiers, more officers are sought.

His platoon is selected to perform military police duties on a weekend furlough.

Mr Arnold Benedict has offered his large house for the entertainment of the soldiers, but Joan, Dodo's girlfriend and a hostess discovers they are really a Nazi spy ring obtaining information from the soldiers.