About the film
Raoul Wallenberg: Buried Alive is a Canadian documentary film, directed by David Harel and released in 1983. A profile of Swedish diplomat Raoul Wallenberg, the film covered his role in saving the lives of Jewish refugees from the Holocaust, as well as exploring the evidence that he may still have been alive in a Soviet gulag as late as the early 1980s.
From the film's Wikipedia article (CC BY-SA 4.0).