The film's sets were designed by the art director Georges Wakhévitch.

Location shooting took place around Mittenwald, Lautersee, Garmisch-Partenkirchen and Kreuzeck.

A separate French version, The Red Needle, was also made, with different actors.

Maja Berger is staying in the Bavarian Alps to recover her health.

Having made a successful ascent, he is caught in a violent storm on the way down and is killed.