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
Count Romburg
Acting
Dorothy Lawrence
Miss Metzger
Acting
Bella Lewitzky
Dancer (Uncredited)
Acting
Jack Richardson
Musical Conductor (Uncredited)
Acting
Polly Bailey
Cleaning Woman (Uncredited)
Acting
Stuart Holmes
King's Consul (Uncredited)
Acting
Eddie Polo
Stagehand (Uncredited)
Acting
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
Audience Member (Uncredited)
Acting
Richard Neill
Audience Member (Uncredited)
Acting
Eric Mayne
Audience Member (Uncredited)
Acting
Barry Regan
Audience Member (Uncredited)
Acting