The Madman of Lab Four

Jean Lefebvre

as

Eugène Ballanc...

Maria Latour

as

Régine, Mr. Be...

Bernard Blier

as

Mr. Beauchard,...

Michel Serrault

as

Mr. Granger, d...

Pierre Tornade

as

DST inspector

Pierre Brasseur

as

Father Ballanc...

Margo Lion

as

Mrs. Ballancho...

Robert Dalban

as

Merchant, spy ...

Mario David

as

Mario

Henri Virlogeux

as

Scholar

André Chaumeau

as

Baron

Jean Franval

as

DST inspector

Paul Préboist

as

Agent

Alain Janey

as

Fred

Sabine Sun

as

Baroness

Yvon Sarray

as

Pedestrian

Max Arian

as

Extra worker (...

André Cagnard

as

Jo (uncredited)

Guy Delorme

as

Actor from the...

Marius Gaidon

as

Police officer...

Henri Guégan

as

Actor from the...

Jean Ozenne

as

Minister (uncr...

Laure Paillette

as

Traveler (uncr...

Lionel Vitrant

as

Actor from the...