Marcel Sabourin as Ernest

René Caron as Roland

Luce Guilbeault as Berthe

J. Léo Gagnon as Oncle Arthur

Jean-Pierre Saulnier as Rosaire

Gabriel Arcand as Ti-bi

Maurice Gauvin as The man with the rings

Hélène Loiselle as Mother

Julien Lippé as Father

Denys Arcand as Detective

Serge Thériault as A customer

Andree Lalonde as The blonde

Suzanne Valéry as Amie de Roland

Sophie Carrière as Enfant

Stéphane Carrière as Enfant

Monique Gervais as La gardienne

Charlie Beauchamp as L'hotelier

Mireille Giroux as La danseuse

Normand Lanthier as Un dur

Maurice Saint-Jean as Un dur

Philippe Reynal as Le gardien du parking

Danielle Naud as La serveuse du restaurant

Serge Thériault as Un client

Robert Gagnon as Un client

Gaétan Lafrance as Un policier

Jean-Pierre Légaré as Un policier

Bernard Gosselin as Detective

Attila Dory as Photographer