 Marina VladyJuliette | Juliette |
 Raymond PellegrinPhilippe | Philippe |
 Dora DollBetty Bell | Betty Bell |
| HHélène VallierPaule | Paule |
 Paul DemangeConcierge | Concierge |
 Georges LannesCommissioner Godet | Commissioner Godet |
| GGéo DorlisToboggan animator | Toboggan animator |
| JJacques MullerBébert | Bébert |
| GGuy DakarNot listed | Not listed |
 Robert Le BéalEnglish | English |
| MMarcel PortierCustomer who is sleepy | Customer who is sleepy |
| PPaul VioletteNot listed | Not listed |
 Simone LogeartToboggan employee | Toboggan employee |
 Alain NobisTonio | Tonio |
 Paul FrankeurGeorges | Georges |
 Luc AndrieuxWilly, Toboggan bartender (uncredited) | Willy, Toboggan bartender (uncredited) |
 France AsselinCustomer's friend who is sleepy (uncredited) | Customer's friend who is sleepy (uncredited) |
 René BergeronBoss of the Hôtel du Midi (uncredited) | Boss of the Hôtel du Midi (uncredited) |
| JJo CharrierCrook in search of an alibi (uncredited) | Crook in search of an alibi (uncredited) |
 Edmond ChemiGuest at the banquet (uncredited) | Guest at the banquet (uncredited) |
 Lucien DesagneauxBoss of the Hôtel du Midi (uncredited) | Boss of the Hôtel du Midi (uncredited) |
 René HellSinger at the banquet (uncredited) | Singer at the banquet (uncredited) |
 Franck MauriceAgent on guard (uncredited) | Agent on guard (uncredited) |
| SSuzy Rossi(uncredited) | (uncredited) |
| LLouis SaintèveToboggan customer (uncredited) | Toboggan customer (uncredited) |
| RRobert Sandrey(uncredited) | (uncredited) |
| NNicky VoillardGuest at the banquet (uncredited) | Guest at the banquet (uncredited) |