Walter Huston

as T. C. Jeffords

as General Ostrovsky

as Mr. Nat Miller

as Howard

as The Sinkiller

as Narrator (voice) (uncredited)

as Ephraim Wells

as Edward Armstrong

as Narrator

as Narrator

as Abraham Lincoln

as Ling Tan

as Dr. Kurin

as Narrator

as Voices of officers (voice)

as Ambassador Joseph E. Davies

as Dr. Martin Stensgard

as Uncle Sam 'U.S.'

as Doc Holliday

as Narrator

as Narrator

as Jerry Cohan

as Self - Narrator (voice)

as Sir Guy Charteris

as Thursday Ragan

as Mr. Scratch

as Ethan Wilkins

as Sam Dodsworth

as President of the United States

as Edwin J. Bennett ("The Professor")

as Barney Dolphin

as Lieut. Comdr. T.J. Toler USN

as Hon. Judson Hammond - The President of the United States

as Alfred Davidson

as Flint

as Thomas Dickson

as Captain James "Jim" Fitzpatrick aka Fighting Fitz

as District Attorney Whitlock

as Mark Brady

as Abraham Lincoln

as Trampas