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