Question: Who played the main characters in Tomas Alfredson's 2008 vampire film?
Sentence (from "Let the Right One In (film)"): Let the Right One In (Swedish: "Låt den rätte komma in" ) is a 2008 Swedish romantic horror film directed by Tomas Alfredson, based on the 2004 novel of the same title by John Ajvide Lindqvist, who also wrote the screenplay.
Relevant evidence: No