Louis Velle

Dr. Didier Dancourt, surgeon

Claudine Auger

Sophie Gérard, journalist at Nice Matin

Juliette Mills

Lydia Valentin, Didier's fiancée

Michel Galabru

Leonardos, Greek billionaire

Stéphane Bouy

Canello Killer

Roger Hanin

Franck Canello, crook saved by Dr. Dancourt

Jacques Balutin

Night train controller

Jacques Legras

Night train chief

Philippe Dumat

Photographer of Sophie Gérard

Yves Barsacq

Police commissioner in Nice

Henri Attal

Wrongs rectifier in Nice

Dominique Zardi

Wrongs rectifier in Nice

Jean Valmence

Surgeon, colleague of Didier

Evelyne Dassas

Lydia's friend

Guy Delorme

Henchman of Canello

Robert Lombard

Homosexual on the night train and at the opening

Robert Party

Henchman of the Nantais

Lionel Vitrant

Henchman of Canello

Jean-Louis Tristan

Henchman of the Nantais

Jean Mylonas

Journalist at Nice Matin

Hans Verver

Editor-in-chief of Nice Matin

Hélène Manesse

Night train passenger