Filmed in 1958 in the Veluwe woods and heather near Arnhem, Holland.
In Battleground (1949), Van Johnson played an American GI that battled Germans wearing GI uniforms during the same battle in 1944.
Leon Askin plays German Sergeant Steiner, a guard at the POW camp. He would go on to play German General Alfred Burkhalter 6 years later on Hogan's Heroes (1965) for 6 years. In that role he regularly visited the POW camp where the show was set.
Opening credits: The characters and incidents portrayed and the names used herein are fictitious, and any similarity to the name, character or history of any person is entirely accidental and unintentional.