Jean Claude Van Damme plays a dual role as Alex and Chad, twins separated at the death of their parents. Chad is raised by a family retainer in Paris, Alex becomes a petty crook in Hong Kong. Seeing a picture of Alex, Chad rejoins him and convinces him that his rival in Hong Kong is also the man who killed their parents. Alex is suspicious of Chad, especially when it comes to his girlfriend.
Is Double Impact on Netflix? Unfortunately the movie Double Impact is not yet available on Netflix.
| Directing | John Cheung Ng-Long | Action Director |
| Crew | John Cheung Ng-Long | Martial Arts Choreographer |
| Crew | Vic Armstrong | Stunt Coordinator |
| Crew | Vic Armstrong | Martial Arts Choreographer |
| Directing | Vic Armstrong | Action Director |
| Crew | James Lew | Stunt Coordinator |
| Crew | James Lew | Martial Arts Choreographer |
| Crew | John Cheung Ng-Long | Stunt Coordinator |
| Sound | Arthur Kempel | Original Music Composer |
| Production | Paul Michael Glaser | Producer |
| Production | Jean-Claude Van Damme | Producer |
| Production | Moshe Diamant | Executive Producer |
| Editing | Mark Conte | Editor |
| Production | Ashok Amritraj | Producer |
| Camera | Richard H. Kline | Director of Photography |
| Writing | Sheldon Lettich | Screenplay |
| Directing | Sheldon Lettich | Director |
| Writing | Jean-Claude Van Damme | Screenplay |
| Crew | Darryl Chan | Stunts |
| Crew | Georges Bejue | Stunt Double |
| Writing | Jean-Claude Van Damme | Screenstory |
| Crew | Bill M. Ryusaki | Stunts |
| Writing | Steve Meerson | Screenstory |
| Crew | Mark Stefanich | Stunt Double |
| Crew | Simon Rhee | Stunts |
| Crew | Dickey Beer | Stunts |
| Crew | Al Leong | Stunts |
| Crew | James Lew | Stunts |
| Crew | Jordi Casares | Stunts |
| Crew | Will Leong | Stunts |
| Crew | Peter Lai | Stunts |
| Writing | Peter Krikes | Screenstory |
| Writing | Sheldon Lettich | Screenstory |
| Crew | Danny Wong | Stunts |
| Crew | Vernon Rieta | Stunts |
| Production | Charles Layton | Executive Producer |
| Production | James F. Tarzia | Casting |
| Costume & Make-Up | Joseph A. Porro | Costume Design |
| Art | John Jay Moore | Production Design |
| Writing | Jean-Claude Van Damme | Story |
| Costume & Make-Up | Janice Alexander | Hairstylist |
| Writing | Sheldon Lettich | Story |
| Production | Michael Douglas | Co-Producer |
| Production | Charles Wang | Associate Producer |
| Production | Kamel Krifa | Associate Producer |
| Art | Michael Vojvoda | Set Dresser |
| Production | Sheldon Lettich | Co-Producer |
| Production | Avram Butch Kaplan | Executive In Charge Of Production |
| Production | Rick Nathanson | Supervising Producer |
| Writing | Steve Meerson | Story |
| Costume & Make-Up | Joseph A. Porro | Costume Designer |
| Art | Okowita | Art Direction |
| Directing | Vic Armstrong | Second Unit Director |
| Sound | Patrick Cyccone Jr. | Sound Re-Recording Mixer |
| Sound | Allen L. Stone | Sound Re-Recording Mixer |
| Production | Terry Carr | Co-Producer |
| Directing | Andy Armstrong | Second Unit Director |
| Sound | Craig S. Jaeger | Sound Effects Editor |
| Lighting | Robert Eyslee | Gaffer |
| Camera | Jeff Mart | Steadicam Operator |
| Writing | Peter Krikes | Story |
| Costume & Make-Up | Zoltan Elek | Makeup Artist |
| Art | Suzette Sheets | Set Decoration |
| Sound | Itzhak Magal | Production Sound Mixer |
| Directing | Thomas J. Mack | First Assistant Director |
| Sound | Stephen Bushelman | Sound Effects Editor |
| Camera | Richard Merryman | Camera Operator |
| Crew | Arthur Wai Kit Lau | Special Effects |
| Camera | Peter Jensen | Steadicam Operator |
| Camera | Dan Kneece | Steadicam Operator |
| Sound | Jerry Stanford | Sound Effects Editor |
| Camera | Kirk Bloom | Second Assistant Camera |
| Sound | Sam F. Shaw | Sound Effects Editor |
| Camera | Raymond Lam Fai-Tai | Steadicam Operator |
| Camera | Howard Wexler | Additional Camera |
| Camera | Cliff Lipson | Still Photographer |
| Directing | James Lansbury | Second Assistant Director |
| Sound | Robert Thirlwell | Sound Re-Recording Mixer |
| Camera | Jürg V. Walther | Camera Operator |
| Sound | Robert Waxman | Sound Effects Editor |
| Camera | Michael Gfelner | First Assistant Camera |
| Camera | Picha Srisansanee | Second Assistant Camera |
| Art | Gae S. Buckley | Assistant Art Director |
| Lighting | Raymond Gonzales | Electrician |
| Costume & Make-Up | Katalin Elek | Assistant Makeup Artist |
| Directing | Elizabeth S. Barton | Script Supervisor |
| Camera | Ruurd M. Fenenga | First Assistant Camera |
| Camera | Todd Dos Reis | Second Assistant Camera |
| Crew | Jean-Claude Van Damme | Fight Choreographer |
| Production | Brad Arensman | Executive In Charge Of Post Production |
| Costume & Make-Up | Karen Asano-Myers | Assistant Hairstylist |
| Lighting | Jesse Mather | Best Boy Electric |
| Editing | David Orr | Color Timer |
| Art | Lars Petersen | Construction Coordinator |
| Crew | Peter Malota | Stunts |
| Crew | Peter Malota | Martial Arts Choreographer |
