Mum's the Word

Darry Cowl

Martin

Judith Magre

Barbara

Jacques Hilling

Polo

Sacha Pitoëff

Jo

Edmond Ardisson

Titin

Catherine Samie

Colette

Georges Audoubert

Rapha

Léa Gray

Hospitalized woman

Gaston Orbal

Gagged patient

Alain Feydeau

Doctor Renaud

Jacques Mancier

Inspector Dubois

Jack Ary

Charles Bouillaud

Doorman

Max Amyl

Tony

Edmond Chemi

Doudou

Pierre Sergeol

Gégène

Fernand Sardou

Marius

Max Doria

(uncredited)

Bernard Dumaine

Marco (uncredited)

René Hell

Tramp (uncredited)

Viviane Méry

Nurse (uncredited)