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

Maurice de Canonge