Many of the American and German soldiers were portrayed by World War II reenactment groups, who provided their own uniforms and weaponry.
Filmed in only 12 days.
The only female nurse ever captured the Germans was First Lieutenant Reba Zitella Whittle. A C-47 plane Lt. Whittle was riding on was shot down over Belgium by German flak gunners on September 27, 1944 Lt. Whittle survived the crash and was taken prison, She was given a very gentle interrogation and given treatment for receiving a concussion from the crash. Lt. Whittle was than sent to an Allied POW Camp for wounded Allied soldiers to assist the British doctors! On January 25, 1945 Lt. Whittle was put on a train along with Allied POW's considered by the Germans no longer fit for service and sent to Switzertland to be released.
One of the voice actors for the german soldiers was an armenian.