Sir Francis Beekman

'Colonel' Harrington

Harley Temple

Oliver Oxley

Sir Simon Flaquer

Jonathan Crandall Sr

Lieutenant Quincy

Richard Walker

Uncle Holman

Mr. Morgan

Stanley Menninger

le Père Matthew William Burke

Dr. Karl Braun

J. B. Merlin

Hippocrates

General Michael O'Hara

Gardiner

Max Dreyfus

William Fitzroy

John P. Merrick/Thomas Higgins

General Powell

Dr. Hugo Waldersee

Judge Joseph M. Doolittle

Gardner Hubbard

Hugo Van Cleve

Beaver Greenway

Benjamin Dingle

Charles Coburn

Henry Gordon

Samuel Fulton / John Smith

Benjamin Franklin

Burton F. 'B.F.' Fulton

Professor Henry Holmes

Judge

Charles Creighton

Nicolai Iiyitch

Professor Drake

John Pulham

Robert Drexel Gow

Dr. John Corday

Lord Tyce

Alexander Gow

Dr. John Fenner

Captain Briggs

Alex Conway

Dr. Charles Shingle

Col. John Appleby

Uncle George Clitterbern

Dr. Tweed

Mayor Ed Johnson

Dr. Finlay

William Smith

Lord Walters

Guy Eliot

Seton Mansley

Self (from Gentlemen Prefer Blondes [1953]) (archive footage)

Dr. Johannes Hofer

Vance Beasley

Peter Stuyvesant

Major Blair

Joshua Mallon IV

Grampa Pennypacker

Self (archive footage)

Professor Jason Hartley

Rudyard Morley

Steamship Company Clerk

Professor Brookfield

Mr. Burnside

Captain Abe Peabody

Colonel Will Seaborn Effingham

Sir Francis 'Piggy' Beekman (archive footage) (uncredited)

Self (archive footage) (uncredited)

Self (archive footage)

Self