Perfectionist

Professor Louis Delage

Florence Delage

Catherine Delage

Doctor Charles Tannard

Yvette

Jacques Brulages

Gaston Berval

Doctor Larmy

Jacqueline

Mrs. Berval

Georges

Marcillac

François

Barby

Marie-Laure

Professor Peccavi

Chang, butler

Gaston's friend

Doctor

Student

Paulette

Nurse

Patient

Émile