On screen
Cast
10 credited performers
Annette Kellerman
Merrilla, Queen of the Sea
Hugh Thompson
Prince Hero
Artwork unavailable
Mildred Keats
Princess Leandra
Walter Law
King Boreas
Artwork unavailable
Beth Ivins
Ariela (as Beth Irvine)
Artwork unavailable
Philip Van Loan
Prime Minister
Artwork unavailable
Fred Drucker
Clovis
Louis Dean
The King
Artwork unavailable
Carey Lee
The Queen
Artwork unavailable
Minnie Methol
The Duenna