George Chaney (1 episode)
Simon J. Harrison
Doctor (1 episode)
Dr.Albert Balleau
Dr. Fowkles
Dr. Alvin Lesley (1 episode)
Mr. Steiner
Peter Brendan (1 episode)
Fulton Agnew (1 episode)
Mr. Pinkson (1 episode)
Phyllis's Father
Capt. Hillary
John Hammond Sr.
Consul General Hepke
Shrine Auditorium Emcee (uncredited)
Duke Leopold of Austria
Governor
Leffington
M. Tonit
Florenz 'Flo' Ziegfeld
Capt. Chiron
Col. George Sharpe
Col. Horne
Mr. Cardy
Count Dimorna (uncredited)
George Trent
Lieutenant Colonel Martin
Capt. Alvarado
General Chester Jans (uncredited)
Marquis de Lafayette (uncredited)
Frobisher
Joe Dillon
Gentry (uncredited)
Frank Stevens
Antonio Salieri
Duc d'Orleans
Larry Hendricks
Sam Taylor
Prosecutor
Dr. Grantland
Defending Counselor (uncredited)
Caleb Cross
Dr. Mervin
Albert Loring
Cedric Mason
Mr. Douglaston
District Attorney
Maxwell Kenyon
Tony Montague
Ralph Martin
Jeremy Austin
Nick Cantrell
Dr. Lucifer Garland
Rex Duncan
Alexander 'Alec' Girard (uncredited)
Police Captain McCracken
Brandon
Police Commissioner Hogan
Mr. Thayer
Russian General (uncredited)
Mr. Thayer (uncredited)