While London Sleeps

Howard Bretherton

Walter Morosco

Scenario Writer

Walter Morosco

Story

Rin-Tin-Tin

Rinty

Helene Costello

Dale Burke

Walter Merrill

Thomas Hallard

John Patrick

Foster

Otto Matieson

London Letter

George Kotsonaros

The Monk

DeWitt Jennings

Inspector Burke

Carl Stockdale

Stokes

Les Bates

Long Tom