People are dying mysteriously and gruesomely, and nobody has a clue what the cause is. Only health worker Mike Brady has a possible solution, but his theory of killer slugs is laughed at by the authorities. Only when the body count begins to rise and a slug expert from England begins snooping around does it begin to look like Mike had the right idea after all.
Unfortunately the movie Slugs is not yet available on Paramount Plus.
| Directing | Juan Piquer Simón | Director |
| Writing | Juan Piquer Simón | Writer |
| Production | Juan Piquer Simón | Producer |
| Production | José Antonio Escrivá | Producer |
| Writing | José Antonio Escrivá | Writer |
| Writing | Ron Gantman | Screenplay |
| Writing | Shaun Hutson | Novel |
| Production | Francesca DeLaurentiis | Producer |
| Camera | Julio Bragado Darman | Director of Photography |
| Editing | Antonio Gimeno | Editor |
| Crew | Basilio Cortijo | Special Effects |
| Editing | Richard E. Rabjohn | Editor |
| Production | Bill Williams | Casting |
| Art | Gonzalo Gonzalo | Art Direction |
| Costume & Make-Up | María Eugenia Escrivá | Costume Design |
| Directing | Francesca Escriva | Script Supervisor |
| Directing | Francesca DeLaurentiis | Script Supervisor |
| Costume & Make-Up | Pilar Tavera | Seamstress |
| Production | Gustavo Casado | Casting |
| Camera | Mark Foggetti | Camera Operator |
| Crew | Juan Mariné | Second Unit Cinematographer |
| Lighting | Steve Nitzberg | Gaffer |
| Lighting | Casimiro Dengra | Gaffer |
| Camera | Carlos Bustamante | Still Photographer |
| Visual Effects | Carlo De Marchis | Special Effects Supervisor |
| Crew | Patrick Tantalo | Special Effects Coordinator |
| Sound | Luis Castro | Foley |
| Sound | Enrique Molinero | Sound Re-Recording Mixer |
| Crew | Kari Christensen | Property Master |
| Costume & Make-Up | Manu Moreno | Hairstylist |
| Sound | Tim Souster | Music |
