Climax

Boris Karloff

Dr. Friedrich Hohner

Susanna Foster

Angela Klatt

Turhan Bey

Franz Munzer

Gale Sondergaard

Luise

Thomas Gomez

Count Seebruck

June Vincent

Marcellina

George Dolenz

Amato Roselli

Ludwig Stössel

Carl Baumann

Jane Farrar

Jarmila Vadek

Ernö Verebes

Brunn

Lotte Stein

Mama Hinzl

Scotty Beckett

The King

William Edmunds

Leon, Theatre Concierge

Maxwell Hayes

Count Romburg

Dorothy Lawrence

Miss Metzger

Bella Lewitzky

Dancer (Uncredited)

Jack Richardson

Musical Conductor (Uncredited)

Polly Bailey

Cleaning Woman (Uncredited)

Stuart Holmes

King's Consul (Uncredited)

Eddie Polo

Stagehand (Uncredited)