Tatyana Samojlova, Yevgeni Urbansky. The great Soviet director Mikhail Kalatozov directed this absorbing tale of exploration and survival concerning four members of a geological expedition who are stranded in the bleak and unforgiving Siberian wilderness while on a mission to find diamonds. Luxuriating in wide-angle beauty and featuring one daring shot after another, Letter Never Sent is a fascinating piece of cinematic history and a universal adventure of the highest order. In Russian with English subtitles. 1959/b&w/96 min/NR/fullscreen.