 He offered to play the role of Campbell for no cash payment and a percentage of the profits, but Rank cast Bogarde.Although the story is set in Alberta, it was too expensive to film there.Box wrote, "In those days dollars were very scarce, the Treasury didn't want to know and by shooting in Europe we would save a considerable amount of money that would have been spent in transporting people and equipment across the Atlantic and on to the foothills of the Rockies."