While London Sleeps
- Viti: 1926
- Vendi: United States of America
- Zhanri: Crime, Action, Adventure
- Studio: Warner Bros. Pictures
- Fjalen: scotland yard, german shepherd, dog hero
- Drejtori: Howard Bretherton
- Cast: Rin-Tin-Tin, Helene Costello, Walter Merrill, John Patrick, Otto Matieson, George Kotsonaros
