The Snake Pit
Langan appeared as a French professor in the romantic "Margie" (1946), a devoted young doctor protecting Gene Tierney from the evil machinations of Vincent Price in "Dragonwyck" (1946), and as one of the psychiatrists looking after demented patient Olivia de Havilland in "The Snake Pit" (1948). Langan also portrayed a privateer captain in "Forever Amber" (1947).