De jonge 15-jarige Igor helpt zijn vader Roger bij zijn illegale handeltjes in een voorstad van Luik. Roger houdt zich vooral bezig met met het plaatsen van clandestiene immigranten in de bouw.
Nee, helaas is La Promesse nog niet beschikbaar op Netflix in Nederland.
| Directing | Jean-Pierre Dardenne | Director |
| Directing | Luc Dardenne | Director |
| Writing | Luc Dardenne | Writer |
| Writing | Jean-Pierre Dardenne | Writer |
| Sound | Jean-Pierre Duret | Sound Engineer |
| Sound | Thomas Gauder | Sound Mixer |
| Production | Hassen Daldoul | Producer |
| Production | Claude Waringo | Producer |
| Editing | Marie-Hélène Dozo | Editor |
| Sound | Sandrine Deegen | Sound Editor |
| Production | Luc Dardenne | Producer |
| Art | Françoise Joset | Art Direction |
| Crew | Alain Marcoen | Cinematography |
| Production | Jean-Pierre Dardenne | Producer |
| Writing | Leon Michaux | Writer |
| Writing | Alphonse Badolo | Writer |
| Production | Jacqueline Pierreux | Producer |
| Sound | Jean-Marie Billy | Music |
| Sound | Denis Mpunga | Music |
| Art | Igor Gabriel | Production Design |
| Costume & Make-Up | Monic Parelle | Costume Design |
| Sound | Pascal Metge | Sound |
| Sound | Michel Vionnet | Sound |
