Miller's Crossing

The following guns were used in the above movie by the following actors

Thompson SMG

Johnny Caspar's goons use Thompson SMGs when they attempt to assassinate Leo. Leo seizes one and escapes, fighting off Casper's thugs.

Eddie Dane (aka "The Dane") uses a .45 Webley Mark VI throughout the film.

The gun given to Tom Regan to kill Bernie Bernbaum at Miller's Crossing is an Astra 400.

Astra 400 in "Miller's Crossing"

Astra 400 in "Miller's Crossing"

Leo uses one during the attempted assassination.

A Browning M1917 is used by the police during the battle at Leo's Sons of Erin club.