Crime au Concert Mayol

Jean Tissier as Mr. Grumeau Betty Beckers Jean-Pierre Kérien as Inspector Million Jean Daurand as Bill Christian Lude as Doctor Julien Maffre as Machinist (uncredited) Robert Berri as Fred Paul Demange as Nestor Gina Manès as Concierge Albert Dinan as (uncredited) Claude Godard as Mado

Marcel Landowski Music, Original Music Composer