His Majesty, the American

Douglas Fairbanks

William Brooks

Marjorie Daw

Felice, Countess of Montenac

Frank Campeau

Grand Duke Sarzeau

Sam Sothern

King Phillipe IV

Jay Dwiggins

Emile Metz

Lillian Langdon

Princess Marguerite

Albert MacQuarrie

Undetermined Role

Bull Montana

Undetermined Role

William Gillis

Undetermined Role

Phil Gastrock

Undetermined Role

Boris Karloff

Henchman in cloth cap

Karla Schramm

Charles Stevens

Officer