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