Underground
- Godina: 1941
- Country: United States of America
- Žanr: Adventure, Drama, War
- Studio: First National Pictures, Warner Bros. Pictures
- Ključna riječ: nazi, brother
- Direktor: Vincent Sherman
- Uloge: Jeffrey Lynn, Philip Dorn, Kaaren Verne, Ludwig Stössel, Arthur Tovey, Mona Maris