Old Al Casey
Dr. Kasper
Buckmaster
Monsignor Ryan
Omar Khayam
Mr. Pemberton
Bernard Ranley
Harry Willis
The Bishop
Monsignor Monaghan
Dean Joshua Updike
Captain Joe
Cardinal Hugolino
Doc Bayles
Professor Plumcutt
Dr. A.A. Andrews
Dr. Enos Davis
Tom McKay
James Fusenot
Osbert Sorenson
Governor
Bill Lawrence
Patrick J. Sullivan
Thadeus Jackson
Prof. Elson
Mr. Parry
Dr. Willoughby
Dr. Reverend Thomas Chamberlain
Pop Smith
Lord Herbert
Tim McCarey
Colonel Travers
Jonathan Huntoon Smith
Hurree Chunder
Dr. Chumley
Nathaniel B. Wakely VI
Dr. Kevin G. Maguire
Slush Tubbs
Matthews
Judge Alexander Adamson
Jean le Maistre, Inquisitor of Rouen
Horace (A Leprechaun)
Jonathan Turner
Jeremy Love
Himself
Tom Carter
Count D'Armand
J.B. Allenbury
Nick Smith
Thomas Gainsborough
Marvin P. Meglin
Doctor Weeks
Edward VII, Prince of Wales
William
Jim Hilton
King O'Hara
Pop Tibbets
Dinner Guest
Alfred Fortescue
Daniel
Dan Odell
Uncle George
Cecil Kellaway (uncredited)
Peter Miles
Captain Jack Risingwell
Oscar, the Drunk
Henry Randall
Granet
O'Leary
Shipboard Host
Angus McBragel
Professor Starkweather
Dr. Spencer
Mr. Chapman
Prescott
Henry Putnam
Mr. Chumley
The Great Solvani
Franklin Morris
Brother Goodwin
Emerson
Philip Barton
Inspector Sampson
Mr. Chumley
Judge
Charles Moler
Mr. Wendelhares
Headwaiter (uncredited)
Colonial Official
Earnshaw
George Chedworth
Mr. Stebbins (uncredited)
Reginald Roland
Barrett
Rufus Trent
Phillips - Gene's Butler
Police Chief Hardy
Geoffrey
Willard Lorryweather
Fentriss, aka Gilhooley
Mr. Beyers
Fletcher's Butler (unconfirmed)
Hubert Blaydon
Dad Hayseed
