1994, New York. Léon is huurmoordenaar van beroep. Hij observeert het komen en gaan van de inwoners van een gebouw. Op dezelfde verdieping van Léon woont er een gezin waarvan de vader drugshandelaar is.
Nee, helaas is Léon: The Professional nog niet beschikbaar op Netflix in Nederland.
| Production | Patrice Ledoux | Producer |
| Sound | Éric Serra | Original Music Composer |
| Camera | Thierry Arbogast | Director of Photography |
| Editing | Sylvie Landra | Editor |
| Production | Todd M. Thaler | Casting |
| Art | Dan Weil | Production Design |
| Art | Gerard Drolon | Art Direction |
| Art | Françoise Benoît-Fresco | Set Decoration |
| Costume & Make-Up | Magali Guidasci | Costume Design |
| Writing | Luc Besson | Screenplay |
| Costume & Make-Up | Geneviève Peyralade | Makeup Artist |
| Production | Claude Besson | Executive Producer |
| Production | John Garland | Line Producer |
| Production | Bernard Grenet | Line Producer |
| Costume & Make-Up | Peggy Nicholson | Hairstylist |
| Crew | Miguel Ángel Poveda | Post Production Supervisor |
| Production | Thierry Guilmard | Unit Manager |
| Production | Sylvie Menard | Assistant Unit Manager |
| Production | Cecilia Kate Roque | Production Manager |
| Directing | Camille Lipmann | Second Assistant Director |
| Directing | Eric McGinty | First Assistant Director |
| Visual Effects | Nick Allder | Special Effects Supervisor |
| Crew | Neil Corbould | Special Effects Assistant |
| Crew | Al Griswold | Special Effects |
| Costume & Make-Up | Gigi Williams | Makeup Artist |
| Sound | Patrice Grisolet | Sound Editor |
| Art | Carolyn Cartwright | Set Decoration |
| Art | Wing Lee | Assistant Art Director |
| Art | Carol Nast | Art Direction |
| Directing | Sylvette Baudrot | Script Supervisor |
| Camera | Patrick Camboulive | Still Photographer |
| Crew | Claude Serra | Executive Music Producer |
| Sound | François Groult | Sound Re-Recording Mixer |
| Sound | Gérard Lamps | Sound Re-Recording Mixer |
| Sound | Bruno Tarrière | Sound Re-Recording Mixer |
| Directing | Pascal Chaumeil | First Assistant Director |
| Crew | Peter Bucossi | Stunt Coordinator |
| Crew | Nick Allder | Special Effects |
| Crew | Norman Douglass | Stunts |
| Crew | Roy Farfel | Stunts |
| Crew | Frank Ferrara | Stunts |
| Crew | Gino Lucci | Stunts |
| Crew | Don Picard | Stunts |
| Crew | Michael Russo | Stunts |
| Crew | Gregg Smrz | Stunts |
| Crew | Manny Siverio | Stunts |
| Crew | Patrick Cauderlier | Stunt Coordinator |
| Crew | Garry Pastore | Stunts |
| Crew | Michael E. Phillips | Post Production Consulting |
| Directing | Luc Besson | Director |
