
Boris Karloff
Dr. Friedrich Hohner
Acting

Susanna Foster
Angela Klatt
Acting

Turhan Bey
Franz Munzer
Acting

Gale Sondergaard
Luise
Acting

Thomas Gomez
Count Seebruck
Acting

June Vincent
Marcellina
Acting

George Dolenz
Amato Roselli
Acting

Ludwig Stössel
Carl Baumann
Acting

Jane Farrar
Jarmila Vadek
Acting

Lotte Stein
Mama Hinzl
Acting

Scotty Beckett
The King
Acting

William Edmunds
Leon, Theatre Concierge
Acting
![Maxwell Hayes]()
Maxwell Hayes
Count Romburg
Acting
![Dorothy Lawrence]()
Dorothy Lawrence
Miss Metzger
Acting
![Bella Lewitzky]()
Bella Lewitzky
Dancer (Uncredited)
Acting

Jack Richardson
Musical Conductor (Uncredited)
Acting
![Polly Bailey]()
Polly Bailey
Cleaning Woman (Uncredited)
Acting

Stuart Holmes
King's Consul (Uncredited)
Acting

Eddie Polo
Stagehand (Uncredited)
Acting
![Paul Power]()
Paul Power
Reporter (Uncredited)
Acting

Ernie Adams
Man in Audience Next to Franz (Uncredited)
Acting

Gertrude Astor
Woman in Audience Behind Franz (Uncredited)
Acting

Grace Cunard
Backstage Maid (Uncredited)
Acting

William Desmond
Backstage Technician (Uncredited)
Acting

Francis Ford
Backstage Attendant (Uncredited)
Acting

Louis Payne
Audience Member (Uncredited)
Acting

Anne Cornwall
Audience Member (Uncredited)
Acting

Rudy Bowman
Audience Member (Uncredited)
Acting

William H. O'Brien
Audience Member (Uncredited)
Acting

Helen Gibson
Audience Member (Uncredited)
Acting

Maurice Costello
Audience Member (Uncredited)
Acting
![Harry Mayo]()
Harry Mayo
Audience Member (Uncredited)
Acting

Richard Neill
Audience Member (Uncredited)
Acting

Eric Mayne
Audience Member (Uncredited)
Acting
![Barry Regan]()
Barry Regan
Audience Member (Uncredited)
Acting