Douglas Gilmore

as Mr. John Thomas 'Jack' Gregory

as Huntley Palmer

as Hugh Dixon

as Allen Weatherby

as Capt. Redfield

as Jack Moreau

as Nigel Blain

as Lord Douglas

as Renaud Graham

as James Kelvin

as Arthur Russell

as Lucien Cambolle

as Charles Langley

as The Cat

as Bud

as Glen Nester

as Bill Mullaney