Directed by: William A. Wellman
Starring: James Arness, John Wayne, Lloyd Nolan, Walter Abel
Genres: Adventure, Drama
Revealing mistake: When ice is shedding from the plane's wings, the chunks slowly slide forward and then down the leading edge. Loose chunks should have flown off rapidly to the rear due to the airflow.
Revealing mistake: During the first aerial search scene, at a point which is supposed to be deep into uncharted territory, a snow-covered road can be prominently seen skirting the shore of a big lake.
While the close-ups showed heavy ice build-up on the doomed plane, the long shots showed no ice at all.
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