Ice hockey was not played in indoor stadiums in Switzerland in 1960, nor with the kind of equipment depicted.
Outside the Hotel, when Judy and Pagan are waiting for Maxine, she is seen clearly through the window. However, when her voice is heard saying, "May I have the key please?" her lips don't move.
Brooke Adams and Phoebe Cates both slip in and out of their foreign accents throughout the mini-series.