Archimède, le clochard

Jean Gabin

as Joseph, Hugues Guillaume Boutier-Blainville dit : Archimède

Guy Decomble

as Le chef de station de la R.A.T.P.

Bernard Blier

as M. Pichon, nouveau patron du café

Paul Frankeur

as M. Grégoire, l'ancien patron

Julien Carette

as Félix, le clochard aux chiens

Noël Roquevert

as Le commandant Brossard, à la retraite

Darry Cowl

as Arsène, un clochard

Dora Doll

as Mme Lucette Pichon

Gaby Basset

as Mme Grégoire

Jacqueline Maillan

as Mme Marjorie