Gaspard Claude is an innocent young man accused of trying to murder his wife. Sent to a Parisian jail, he lands in a cell with four hardened criminals who have decided to make their escape by building a laborious tunnel.
Jacques Becker, Jean Aurel, José Giovanni
Play-Art, Filmsonor, Titanus
Serge Silberman, Goffredo Lombardo, Georges Lourau
Michel Constantin, Jean Keraudy, Philippe Leroy, Raymond Mennier, Mark Michel, J. Paul Coquelin, André Bervil