A British commando team heads into France to blow up a German-held dam in preparation for D-Day, while a British agent infiltrates the German garrison to give inside help. The twist is that the British officer is replacing his twin German brother.
as Lt. Richard Benson / Lt. Hans Müller
as Captain Holtz
as Major Powell
as François Leduc
as Elise
as Marlene Schulman
as "La Tulipe"
