Jean Carmet as Juste Pecuchet

Jean-Pierre Marielle as François Bouvard

Pierre Étaix as Maître Tardivel

Catherine Ferran as Mme Bordin

Laure Duthilleul as Mélie

Andrée Tainsy as Germaine

Marc Fayolle as Foureau

François Dyrek as M. Vaucorbeil

Sylvaine Charlet as Mme Vaucorbeil

Jean Périmony as M.Marascot

Anne-Marie Franques as Mme Marescot

Laurence Mercier as Mme Castillon

Jean-Marie Richier as Cocher

Anton Weil as Copiste

Pascal Elso as Instituteur

Anne Guinou as Mme Faverges

Roger Vrigny as Un paysan

Thierry Alais as Un paysan

Marie-Claude Legrelle as Une paysanne

Philippe Marchand as Beljambe

Jean de Coninck as M. Faverges

Yves Dautun as Gorju

Paul Richardot as Langlois

Michel Flaesch as

Jean-Claude Carrière as Récitant