Er vindt een ongeluk plaats in een ultrageheim laboratorium voor biologische wapens van de overheid, waarbij een sinistere bacterie wordt verspreid.
Nee, helaas is Warning Sign nog niet beschikbaar op Netflix in Nederland.
| Writing | Hal Barwood | Writer |
| Writing | Matthew Robbins | Writer |
| Directing | Hal Barwood | Director |
| Editing | Robert Lawrence | Editor |
| Production | Susan Arnold | Casting |
| Sound | Craig Safan | Original Music Composer |
| Camera | Dean Cundey | Director of Photography |
| Art | Henry Bumstead | Production Design |
| Art | Mickey S. Michaels | Set Decoration |
| Costume & Make-Up | Aggie Guerard Rodgers | Costume Design |
| Crew | Chuck Picerni Jr. | Stunts |
| Crew | Gary McLarty | Stunts |
| Costume & Make-Up | Edouard F. Henriques III | Makeup Supervisor |
| Costume & Make-Up | Yolanda Toussieng | Hairstylist |
| Directing | Nick Marck | First Assistant Director |
| Directing | Hope R. Goodwin | Second Assistant Director |
| Visual Effects | Gregory L. McMurry | Visual Effects Supervisor |
| Crew | Kevin Pike | Special Effects |
| Crew | Pete Antico | Stunts |
| Crew | Jophery C. Brown | Stunts |
| Crew | Bobby Bass | Stunt Coordinator |
| Crew | David Burton | Stunts |
| Crew | Laurie Creach | Stunts |
| Crew | Eddy Donno | Stunts |
| Crew | Debbi A. Davison | Stunts |
| Crew | Gary Epper | Stunts |
| Crew | James M. Halty | Stunts |
| Crew | Kenny Endoso | Stunts |
| Crew | David Perna | Stunts |
| Crew | Michael Runyard | Stunts |
| Crew | Billy Hank Hooker | Stunts |
| Crew | Pete Turner | Stunts |
| Crew | Scott Wilder | Stunts |
| Crew | Walter Wyatt | Stunts |
| Crew | Cha Cha Sandoval-McMahon | Stunts |
| Production | Hal Barwood | Producer |
| Production | Jim Bloom | Producer |
| Production | Matthew Robbins | Executive Producer |
| Production | Robert Latham Brown | Associate Producer |
| Costume & Make-Up | David Quashnick | Makeup Artist |
