Some claim that John Wayne is not a great actor, but his work here clearly demonstrates otherwise. There’s a mixture of emotion here, not just his tough guy persona. Balancing despair, hope, and tenacity, Wayne gives one of his best performances. — Nate Meyers

I don’t for a minute believe that people clad as these were with no food to speak of could survive in -70 F conditions for a week.
Nevertheless, while I was actually watching the film I was buying it and rooting for the characters. — Bea Soila