Michel Serrault

as Albin aka 'Zaza Napoli'

Jean Poiret

as Georges

Philippe Lavot

as Laurent, Georges' natural son

Benny Luke

as Jacob, 'the maid'

Jacqueline Mille

as Simone, Laurent's mother

Danièle Luger

as Muriel Dieulafoi, Laurent's fiancée

Marcelle Ranson-Hervé

as Mrs. Dieulafoi, Muriel's mother

Marco Perrin

as Mr. Dieulafoi, member of the S.P.C. and father of Muriel