Mitchum didn't have any problems with the remote Australian locations, where the temperatures often soared to 108 degrees.
But his script didn't work, so Zinnemann turned to Hollywood pro Isabel Lennart and beginning writer Aaron Spelling, who moved on to an illustrious career in television.
It's the same as saying someone who doesn't have a home.
Although a September 1959 Hollywood Reporter news item adds Lionel Jefferies to the cast, he did not appear in the film.