- John Barrymore
- Colonel Nielson
- John Howard
- Captain Hugh C. 'Bulldog' Drummond
- Louise Campbell
- Phyllis Clavering
- Reginald Denny
- Algy Longworth
- E.E. Clive
- Tenny
- Porter Hall
- Dr. Max Botulian
- Elizabeth Patterson
- Aunt Blanche Clavering
- Nydia Westman
- Gwen Longworth
- Michael Brooke
- Anthony Greer
- Halliwell Hobbes
- Professor Bernard Goodman
- Matthew Boulton
- Sir Raymond Blantyree
- Zeffie Tilbury
- Mrs. Weevens
- David Clyde
- Constable McThane
- Clyde Cook
- Constable Sacker
- Austin Fairman
- Roberts
- Jimmy Aubrey
- Mechanic
- Frank Baker
- Constable Announcer
- Frank Benson
- Villager
- Felix Bressart
- Detective
- Peter Bronte
- Messenger
- James P. Burtis
- Sergeant
- Ethel Clayton
- Minor Role
- Charles De Ravenne
- Messenger
- David Dunbar
- Constable
- Margaret Fealy
- Spinster
- Maude Fealy
- Spinster
- Gregory Gaye
- Raoul
- Douglas Gordon
- Constable
- William Haade
- Botulian's Driver
- Sam Harris
- Wedding Guest
- Forrester Harvey
- Bus Garage Man
- Pat X. Kerry
- First Expressman
- Andre Marsaudon
- Footman
- Torben Meyer
- Hoffman
- Albert Petit
- Train Official
- Albert Pollet
- Radio Dispatcher
- Georgette Rhodes
- Paulette
- John Sutton
- Doctor
- Evan Thomas
- Constable
- David Thursby
- Second Expressman
