Patric Knowles

Prince Rupert Heinrich Franz Von Rentzau

Beverly Roberts

Laurine Lynne

Allyn Joslyn

Joe Craig

Gordon Oliver

Ricky Preston

Vladimir Sokoloff

Herr Andrew Brenner

Eula Guy

Trommy, Laurine's Maid

Fritz Feld

Herr Meyer, Hotel Director

Ann Codee

Maria

George Humbert

Giovanni

Otto Fries

Franz, Buggy Driver

Sam Ash

Reporter

Glen Cavender

Austrian Policeman at Jail

Gino Corrado

Austrian Hotel Staff Member

Lester Dorr

Reporter

Eddie Graham

Photographer at Polo Game

Stuart Holmes

Castle Servant at End

Don Marion

Busboy

Frank Mayo

Motion Picture Director

Jack Mower

Frederick, Elevator Operator

Sandra Ramoy

Reporter

Janet Shaw

Telephone Operator

Rosella Towne

Brenner's Receptionist

Jeff York

Announcer at Polo Game

Robert Fischer

Joseph, Rupert's Servant

Raoul Freeman

Reporter (uncredited)