After healing the leg of the murderer John Wilkes Booth, responsible for the assassination of President Abraham Lincoln, perpetrated on April 14, 1865, during a performance at Ford's Theatre in Washington; Dr. Samuel A. Mudd, considered part of the atrocious conspiracy, is sentenced to life imprisonment and sent to the sinister Shark Island Prison.
as Dr. Samuel Alexander Mudd
as Mrs. Peggy Mudd
as Colonel Dyer
as Mr. Erickson
as Dr. Mac Intyre
as Commandant
as Corporal O'Toole
as Lieutenant Lovett
as John Wilkes Booth
as General Ewing
as Sergeant Rankin
as Martha Mudd
as Sergeant Cooper
as Buck
as David Herold
as Mr. Holt
as Abraham Lincoln
as Mrs. Abraham Lincoln
as Aunt Rosabelle
as Judge Maiben
as Carpet Bagger
as General Hunter
as Orderly
as Boy at Dr. Mudd's door