AllMovie

The fact that the advertising posters for Tin Hats were designed by John Held Jr. is the most memorable aspect of this minor WWI comedy. Conrad Nagel, George Cooper and Tom O'Brien star as Jack, Lefty and Sarge, three American doughboys who manage to get lost behind enemy lines on Armistice Day. Stumbling into a tiny German village, the three soldiers are welcomed as mighty conquerors by the war-weary citizens. As Lefty and Sarge enjoy the fruits of victory (namely booze and women), Jack ardently courts pretty fraulein Elsa Van Bergen (Claire Windsor), the wealthiest woman in town. Fearful for their mistress' well-being, Elsa's servants try to scare off Jack and his pals, leading to a wacky denouement in a seemingly haunted castle.