Warner Baxter
Dr. Samuel Alexander Mudd
Gloria Stuart
Mrs. Peggy Mudd
Claude Gillingwater
Colonel Dyer
O. P. Heggie
Dr. Mac Intyre
Francis Ford
Corporal O'Toole
John McGuire
Lieutenant Lovett
Francis McDonald
John Wilkes Booth
Douglas Wood
General Ewing
John Carradine
Sergeant Rankin
Fred Kohler Jr.
Sergeant Cooper
Frank McGlynn Sr.
Abraham Lincoln
Leila McIntyre
Mrs. Abraham Lincoln
Etta McDaniel
Aunt Rosabelle
J.M. Kerrigan
Judge Maiben
Matthew Beard
Boy at Dr. Mudd's Door (uncredited)
Lester Dorr
George A. Atzerodt
Robert Dudley
Druggist at Trial
Jan Duggan
Actress at Ford's Theatre
Dick Elliott
Actor at Ford's Theatre
Bess Flowers
Woman Sitting Behind Lincoln in Theatre Box
Melvin J. Gibby
Lewis Payne
John Lester Johnson
Black Soldier at Prison
Wilfred Lucas
Testifying Colonel
Murdock MacQuarrie
Edman Spangler
James A. Marcus
Blacksmith
Eric Mayne
Court-Martial Participant
Merrill McCormick
Commandant's Aide
J.P. McGowan
Ship's Captain
Wedgwood Nowell
Court-Martial Member
George H. Reed
Black Man Giving Booth Directions
Paul Stanton
Agitating Orator
Cyril Thornton
Michael O'Laughlin
Ray Turner
Black Soldier at Prison
Blue Washington
Black Soldier at Prison
Charles West
Washington (DC) Citizen
Lloyd Whitlock
Maj. Rathbone