The Stranger is a 1946 American film noir starring Edward G. Robinson, Loretta Young, and Orson Welles. It was Welles' third completed feature film as director. A drama about a war crimes investigator who tracks a high-ranking Nazi fugitive to a New England town, it is the first Hollywood film to present documentary footage of the Holocaust. The original story by Victor Trivas was nominated for an Academy Award. The film entered the public domain when its copyright was not renewed.
(Summary from Wikipedia)