While London Sleeps
- අවුරුදු: 1926
- රට: United States of America
- ප්රභේදය: Crime, Action, Adventure
- ශබ්දාගාර: Warner Bros. Pictures
- මූල පදය: scotland yard, german shepherd, dog hero
- අධ්යක්ෂක: Howard Bretherton
- කාස්ට්: Rin-Tin-Tin, Helene Costello, Walter Merrill, John Patrick, Otto Matieson, George Kotsonaros