While London Sleeps
- साल: 1926
- देश: United States of America
- शैली: Crime, Action, Adventure
- स्टूडियो: Warner Bros. Pictures
- कीवर्ड: scotland yard, german shepherd, dog hero
- निदेशक: Howard Bretherton
- कास्ट: Rin-Tin-Tin, Helene Costello, Walter Merrill, John Patrick, Otto Matieson, George Kotsonaros
