Blooper

It's day in the long shots, but then back to night in the close-ups of Forrest Tucker.

Following McNee's injury, Dr. Rollason wraps a large white bandage around McNee's damaged left ankle and foot. The bandage is shown around his foot in the studio' camp site and he's seen leaving his left boot inside the tent. But immediately afterwards, the long shots of McNee ascending the mountain reveal boots on both his feet, while in all closeups the left boot is still absent.

Position of Helen's arms as she talks to Tom & Dr. Rollason - around 18:40 her arms alternate between bring down and crossed multiple times as the camera angle changes.

Rollason and Friend sit together in the mountains smoking a cigarette and chatting. The soundtrack depicts howling winds, but the smoke from their cigarettes rises slowly and steadily in the still air of the studio.