as Jeff Hoades
as Jack Cameron
as Murphy
as Carter
as Fireman
as (uncredited)
as Big Boyle
as Juryman
as Cocky
as Big Strength Machine Contestant (uncredited)
as Pete Krell
as Captain of Guards
as Clem Allison
as Bergerin
as Prof. Saenger
as Dan Bell
as Ted Grant
as Donald Duffield - Harry's Rival
as Sea Captain
as Higgins the Butler
as Big-Boy
as Miner (uncredited)
as The Balkan Prisoner / Shem
as Denman
as Jamison - the smelter
as Jack Shields
