Jacques Pills

Jean Sestrières, nephew of the Professor

Luce Feyrer

Lola Bonheur, a star

Armand Bernard

Monsieur Calchas, private detective

Danielle Godet

Monique Calchas, his daughter

Robert Pizani

Self

Michel Salina

Paul Demange

Stanislas, the professor's assistant

Al Cabrol

Self, as a wrestler

Robert Seller

Professor Sestrières

Betty Spell

Self

Michel Dancourt

Flower deliveryman

Max Dalban

Jacques Josselin

Menotti, gang boss

Roland Avellis

Jean Pignol

Hennery

Jean Davan

Maurice Lagrenée

Edouard Servaes

Rivers Cadet

Auguste, swiss waiter

Émile Riandreys

Oscar, alcoolic deliveryman

Andrès

A waiter in Piaf's cabaret

Lina Bori

Yvette Beaumont

France Dhélia

Madeleine Bart

Andréa Parisy

A presentator of "Boum" perfume

Jacques Angelvin

Self

Aimé Barelli

Self

Martine Carol

Self

Gary Cooper

Self

Annie Cordy

Self

Nicole Courcel

Self

Lucienne Delyle

Self

Jacqueline François

Self

André Gabriello

Self

Juliette Gréco

Self

Christian-Jaque

Self

Philippe Lemaire

Self

Gina Lollobrigida

Self

Jean Marais

Self

Philippe Mareuil

Self

Mick Micheyl

Self

Marcel Mouloudji

Self

Jean Nohain

Self

Gisèle Pascal

Self

Gregory Peck

Self

Édith Piaf

Self

Les Quatre Barbus

Self

Rellys

Self

Line Renaud

Self

Pierre Stéphen

Self

Charles Trenet

Self