Si jeunesse savait...

Pierre Juvenet as Bajaudel Jean Tissier as Gégène Arlette Merry as Martine Pierre Sergeol as A bandit Franck Maurice Jacques Roussel as Shareholder Jean Témerson as Fred Sinoël as Gédéon Georges Vitray as Pons Paul Azaïs as Paulo Suzet Maïs as Mathilde Vigne Max Dalban as 'P'tit Louis' Jacqueline Plessis as Client Robert Vattier as Lucien Bigne Jules Berry as Charles Vigne Saturnin Fabre as Abdul Jacques Tarride as Professor Grégoire Gromoff Robert Moor as Doctor Lucas Gridoux as Producer