In the beginning, while waiting in line at the hotel reception, and at 4 min from the end, Sabrina Duncan is wearing a tan suede jacket with a thick white shearling wool lining and trim. Both times, she is first presented wearing the coat unbuttoned---in the long shots. But each time, when the very next frame is a close up on Sabrina, her coat is always neatly buttoned-up.
In the Townsend office, Chadworth hands Kelly a Polaroid picture of Carl Hansworth, but the when we cut to a close-up it has changed to a regular photograph.
The ski lift operator calls in a report from "top of (lift) 6". But the chairs continue up the mountain from that point, it is not the top of the lift. It looks like a mid-station - an exit point partway up the lift, which was common at the time.