The Midnight Witness

Henri Guisol

Jacques Montet

Claude May

Madame Montet

Catherine Erard

Muriel

Raymond Pellegrin

Roger Noël

Roland Alexandre

Aviator

María Riquelme

Mimi

Marcel Josz

Police inspector

Jean Hébey

Filmont, publisher

Raymond Girard

Marquis

Germaine Reuver

Léone, maid

Jack Ary

Marcel Portier

André Numès

Policeman

Jacques Morlaine

Palmyre Levasseur

Guy Favières

Gardener

Louis Lions

Doctor

Simone Logeart

Christine Elsen

Bernard Musson

Pharmacist

Albert Michel

(uncredited)