Underground (1941)

Underground is a 1941 war film about the German Nazi Resistance opposing the Nazis in World War II. Jeffrey Lynn and Philip Dorn play two brothers initially on opposite sides.

More at Wikipedia.

Cast:

• Henry Brandon
• Egon Brecher
• Philip Dorn
• Ilka Grüning
• Erwin Kalser
• Martin Kosleck
• Ludwig Stössel
• Jeffrey Lynn
• Mona Maris
• Frank Reicher
• Hans Schumm
• Roland Varno
• Kaaren Verne
• Peter Whitney
• Wolfgang Zilzer