The Last Blitzkrieg

The Last Blitzkrieg is a 1959 World War II film produced by Sam Katzman and filmed at Veluwe and the Cinetone Studios in Amsterdam for a Columbia Pictures release. Arthur Dreifuss directed Van Johnson in a fictional account of the German Operation Greif during the Battle of the Bulge. Columbia contract stars Dick York and Kerwin Mathews also star in the film. Technical advisor to the film was Major John W. McClain who was a company commander with the 23rd Infantry. A novelisation of the screenplay was written by Walter Freeman.

Von Kroner is sent to a German castle with others for Operation Greif called Operation OK Butch in the film, where they will dress in American uniforms and spearhead the Ardennes Offensive by committing sabotage, confusing enemy forces, and seizing key objectives for the attacking German forces. Assisting in the training, Von Kroner is assigned a team of three other men with various skills including a Waffen SS Officer, Wilitz, who regales his comrades with stories of his exploits in terrorizing unfortunates whilst a member of the Brown Shirts.Von Kroners teams activities and the initial German assault meet with success, but both soon run into unexpected difficulty. Von Kroners forged orders are countermanded by a decimated American infantry company of the 23rd Infantry that forces them into being replacements, while the bad weather that made the German assault successful ends, enabling American air power to attack the Germans. In their new unit, Von Kroner meets his two fellow American prisoners, Sgt. Ludwig and Cpl. Ennis they say they were the only survivors of their escape, as the Germans knew about it and ambushed them. ........

Source: Wikipedia