- Country: USA
- Genres: Crime, Drama, Film-Noir
- Release: 1940-07-16
- Director: Christy Cabanne
- Writers: Sam Robins , Clarence Upson Young
- Language: English
- Stars: Richard Arlen , Andy Devine , Kathryn Adams , Paul Fix , Mary Treen , Cliff Clark , Pat Flaherty , Maude Allen , James C. Morton , Tom Chatterton
- Runtime: 60 min
- Awards: N/A
- AKA: Black Diamonds , Diamante negre (Romania) , Black Diamonds (New Zealand) , Black Diamonds (Australia) , Black Diamonds (Canada) , O Diamante Negro (Portugal, Portuguese Republic) , Black Diamonds (South Africa) , Black Diamonds (United States of America) , El halcón negro (Spain)
- Plot: A reporter on a visit to his hometown hears of dangerous conditions at the local coal mine, and proceeds to investigate.
- IMDB:tt0032257
Black Diamonds Cast · · · ALL
Christy Cabanne
Director
Richard Arlen
Walter Norton
Andy Devine
Tolliver Higgenbotham
Kathryn Adams
Linda Connor
Paul Fix
Matthews
Mary Treen
Nina Norton
Cliff Clark
Archie Connor
Pat Flaherty
Johnson
Maude Allen
Mom Norton
James C. Morton
Joseph Aloysius Stacey (as James Norton)
Tom Chatterton
Dr. Lukas
Henry Roquemore
David Phillips, editor
Claire Du Brey
Henderson's Secretary