Robert Florey
Director
J. Edgar Hoover
Book
William R. Lipman
Screenplay
Horace McCoy
Screenplay
Edward T. Lowe Jr.
Producer
Gerard Carbonara
Original Music Composer
John Leipold
Original Music Composer
Leo Shuken
Original Music Composer
Harry Fischbeck
Director of Photography
Harvey Johnston
Editor
Hans Dreier
Art Direction
John B. Goodman
Art Direction
Joe Lefert
Assistant Director
William Henry
Scott Britton
Virginia Dale
Enid Casserly
Robert Paige
Steve Eddson
Gertrude Michael
Collette Menthe
Richard Denning
Bruce Eaton
Fay Helm
Rita Mattison
Anthony Quinn
Francis 'Big Boy' Bradmore
Harvey Stephens
Bartley Hanford
Marjorie Gateson
Mrs. Thorton Casserly
Charlotte Wynters
Nellie
Lyle Talbot
Ross Waring
Louise Beavers
Aunt Lindy
Paul McGrath
Tyler Craden
Wilfred Roberts
Frank Preston
Jack Carson
George Mattison
Richard Carle
Gustav Kalkus
Eddie Marr
Edward 'Slim' Racky
Morgan Wallace
Ben
Sonny Bupp
Bobby Mattison
Billy Lee
Jimmy Mattison
Harry Shannon
Randall
Russell Hicks
U.S. District Court Judge
Joseph Crehan
Warden (uncredited)
Byron Foulger
Florist (uncredited)
John Gallaudet
Edward Bradshaw (uncredited)
