Barr perhaps is best known for his role as Nino Zachetti in Double Indemnity, his first appearance.
He also had a role in films like Love Letters, Pitfall, Down Dakota Way, They Made Me a Killer, and The File on Thelma Jordon.
His only lead role came in the 1946 B-movie Tokyo Rose.
He died on November 3, 1966, in Sacramento County, California, of unknown causes at age 49.
This article about a United States film actor born in the 1910s is a stub.