Robert Ryan
Abraham Lincoln
Charles Bickford
Dr. Stone
Richard Long
Capt. Leipole
Willis Bouchey
Edwin Stanton
Howard Wendell
William Seward
Mack Williams
Montgomery Blair
John Craven
Reporter
H. C. Potter
Self
Arthur Q. Bryan
Cabinet Member (uncredited)
Scott Seaton
Reporter (uncredited)
Arthur Tovey
Cabinet Member (uncredited)
Johnny Lee
Simon
Paul Keast
Salmon Chase
Dennis King Jr.
Petitioner
Michael Jeffers
Reporter (uncredited)