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

Paul Demange

~ as ~

Tabaro, accountant

Maurice Bray

~ as ~

Mercedes, Zaza's rival