Tom Bell

as Flynn

as Jack 'The Hat' McVitie

as Blackie

as Mr. Seaford-Warwick

as William Targett

as Peter Rayston

as Evans

as Ben

as Mr Maguire (uncredited)

as Billy The Cowboy

as Mr Clark

as Prof Hugh Cullen

as Michael Biddle

as Cpl. Johnny Moon

as Priest

as Eilert Lovborg

as Bill Otley

as Freddie Brugmans

as Shadbolt

as Vinny McAteer

as Dzerzhinsky