as John Levings
as Friend Helping Tommy (uncredited)
as Mr. Stone
as Martin Doremus
as Angus Campbell
as Police Captain Fred O'Reilly
as Jack Berry
as Owen [at 25] Conway
as Underwood
as Bob Mason
as Dave Tolliver
as Matthews
as Phil Powers
as Detective-Sergeant Mather
as Davidge
as Arthur Bennett
as Stephen Bates
as Dr. Robert Mason
as Sir Melmoth Craven
as Del Cole
as Harry Cortland / Tim Purcell
as Curly Bogard
as George Taylor
as Phillip Flagg
as Sir Bruce Haden
as Harry Anderson
as Joe Maestro
as J.J. 'Big Joe' Helton
as Mr. Schofield
as John Madison (as Rockcliffe Fellowes)
as Dr. Langwell
as Tom Levitt
as Clyde Bainbridge
as Richard Talbot
as Jim Barston (a bushrider) / Jim Barston (heir to Barston Manor)
as Bart Quillan (as Rockcliffe Fellows)
as Stephen Carey
as Nick Nash
as John Miller
as Tom Romaine
as Garon Bourke
as Kells
as John Blake
as Dr. Hardwick
as John Randolph
as Jack Garrison
as Roger Kendall
