The Mystery of the Moonlight Sonata (1934)

When Erica Maerlant is shot dead during a secret dance rehearsal at her luxurious villa, the Maerlant household turns out to be a serpent's nest of intrigue where everyone has a motive for the murder.

Producers
Original title	Het Mysterie van de Mondscheinsonate
Directors	Kurt Gerron
Writers	Willy Corsari, Karl Zimmering, Walter Schlee

Cast

Louis de Bree

as Inspecteur Lund

Wiesje van Tuinen

as Enrica Maerlant

Louis Saalborn

as Mr Maerlant

Annie Verhulst

as Katherina

Egon Karter

as Sascha Darinoff

Darja Collin

as Yva

Enny Meunier

as Lucie Maerlant

Wim Pauw

as Joost Maerlant

Claire Claery

as Malchen

Bill Benders

as Chauffeur Thijs

Ank van der Moer

as Liesbeth

Harry Dresselhuys

as Jan

Raoul de Bock

as Bertie