Warner Baxter

Dr. Samuel Alexander Mudd

Gloria Stuart

Mrs. Peggy Mudd

Claude Gillingwater

Colonel Dyer

Arthur Byron

Mr. Erickson

O. P. Heggie

Dr. Mac Intyre

Harry Carey

Commandant

Francis Ford

Corporal O'Toole

John McGuire

Lieutenant Lovett

Francis McDonald

John Wilkes Booth

Douglas Wood

General Ewing

John Carradine

Sergeant Rankin

Joyce Kay

Martha Mudd

Fred Kohler Jr.

Sergeant Cooper

Ernest Whitman

Buck

Paul Fix

David Herold

Frank Shannon

Mr. Holt

Frank McGlynn Sr.

Abraham Lincoln

Leila McIntyre

Mrs. Abraham Lincoln

Etta McDaniel

Aunt Rosabelle

J.M. Kerrigan

Judge Maiben

Arthur Loft

Carpet Bagger

Paul McVey

General Hunter

Maurice Murphy

Orderly

Matthew Beard

Boy at Dr. Mudd's Door (uncredited)

Frank Baker

Undetermined Secondary Role (uncredited)

Stanley Blystone

Boy Seeking Dr. Mudd (uncredited)

Stanley Bordagaray

Undetermined Secondary Role (uncredited)

Whitney Bourne

Undetermined Secondary Role (uncredited)

Lester Dorr

George A. Atzerodt (uncredited)

Robert Dudley

Druggist at Trial (uncredited)

Jan Duggan

Actress at Ford's Theatre (uncredited)

Earl Eby

Usher (uncredited)

Dick Elliott

Actor at Ford's Theatre (uncredited)

Bess Flowers

Woman Sitting Behind Lincoln in Theatre Box (uncredited)

Bud Geary

Sergeant (uncredited)

Melvin J. Gibby

Lewis Payne (uncredited)

Charles Haefeli

Prisoner (uncredited)

Robert Homans

Sergeant (uncredited)

John Lester Johnson

Black Soldier at Prison (uncredited)

Beulah Hall Jones

Blanche (uncredited)

Paul Kruger

Soldier (uncredited)

Duke R. Lee

Sergeant (uncredited)

Wilfred Lucas

Testifying Colonel (uncredited)

Murdock MacQuarrie

Edman Spangler (uncredited)

James A. Marcus

Blacksmith (uncredited)

Eric Mayne

Court-Martial Participant (uncredited)

Paul McAllister

Doctor (uncredited)

Merrill McCormick

Commandant's Aide (uncredited)

J.P. McGowan

Ship's Captain (uncredited)

Arthur Millett

Undetermined Secondary Role (uncredited)

Wedgwood Nowell

Court-Martial Member (uncredited)

Robert Parrish

Undetermined Secondary Role (uncredited)

Vester Pegg

Soldier (uncredited)

Jack Pennick

Corporal (uncredited)

George H. Reed

Black Man Giving Booth Directions (uncredited)

Paul Stanton

Agitating Orator (uncredited)

Tom Steele

Trooper (uncredited)

Harry Strang

Ship's Mate (uncredited)

Cyril Thornton

Michael O'Laughlin (uncredited)

Ray Turner

Black Soldier at Prison (uncredited)

Blue Washington

Black Soldier at Prison (uncredited)

Charles West

Washington (DC) Citizen (uncredited)

Cecil Weston

Mary Surratt (uncredited)

Lloyd Whitlock

Maj. Rathbone (uncredited)