The Fight Never Ends (1948)
Joe Louis, portraying himself, is a good influence on a group of Harlem youths who are tempted to "go bad" by a gangster known as Caper, an older brother of one of the youths.
Directed by: Joseph Lerner
Starring: Joe Louis, Ruby Dee, William Greaves, Katherine Byars, Bill Dillard, Theodore Fagan
Links: IMDb, Movie posters, Movie stills