Ski Troop Attack is a 1960 US 'Roger Corman' drama WWII film. It features Michael Forest, Frank Wolff, Wally Campo, and Richard Sinatra.
An American patrol has to cross behind enemy lines by skis in order to blow up an important railroad bridge. The task is made harder by conflicts between the platoon's veteran sergeant and its inexperienced lieutenant and by constant attacks by pursuing German troops.