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