
Dr. Morris
Doc
Dr. Giffin
Bert
Father
Peter Selden
Mac Taylor
Senator Greet
Cassius
Hal Manning
Nordlund
Benedict Arnold
Lincoln Venner
Douglas Kilburn
Prof. Warren
Dr. Witherton
Rudolph Dimrose
Stanley Sidney
Lt. Aleksa Petrovic, Mihailovitch's Aide
Ed Shirley
Timothy Bryant
David
Bill Mowry
Dr. Henry L. Carlyle
Reagan
Tod Fenwick
Dewey Roberts
Dr. Bernard Fischer
James McCullough / Ralph Graham
Lycon
Mr. Stillwell
Joaquin Murrieta
Dillon Brent
Marchese Del Laudi
Father Massieu, Joan's Bailiff
Elliott Simpson
Anthony Vickers
Adam Stanton
Sherman Wadsworth
Napoleon Bonaparte (uncredited) (voice)
Jonathan Wilson
Tersh Jeterax
Arthur Evans
Ted Darby
Dr. Malcolm Couzzens
Mr. Wallace Sanford
Jameson
Mr. Fred Tiflin
Brig. Gen. Mel Gilbert
Dr. Gregory 'Greg' Lane
Ned Morgan
Secretary of the Navy
Major General Vanderlip
Henry Clay
Edgar Allan Poe
Bob Mallory
Blacky Franchot
Lycon
Lieut. Jerry Banning
Dr. John 'Jock' McWade
Milo Bragg
Dr. Semmelweis
Charley Potter
Dr. Wells
Reagan
Earl Huber aka Mathews
Roger Chevis
Dr. Larry Forbes
Adrian Benedict
Narrator / Tom Thumb's Father (voice) (uncredited)
Dr. Brooks
Dr. Morton
Dr. Joseph Goldberger
Self - Narrator (voice)
Charles Francis Adams