Submarine X-1
- Ano: 1968
- País: United Kingdom, United States of America
- Xénero: War
- Estudo: The Mirisch Company, Oakmont Productions
- Palabra clave: submarine, world war ii
- Director: William A. Graham
- Reparto: James Caan, David Sumner, Norman Bowler, Paul Young, Brian Grellis, William Dysart