While London Sleeps
- Jaro: 1926
- Lando: United States of America
- Ĝenro: Crime, Action, Adventure
- Studio: Warner Bros. Pictures
- Ŝlosilvorto: scotland yard, german shepherd, dog hero
- Direktoro: Howard Bretherton
- Rolantaro: Rin-Tin-Tin, Helene Costello, Walter Merrill, John Patrick, Otto Matieson, George Kotsonaros
