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