An obsessive, insubordinate homicide cop is convinced a serial killer is loose in the Hollywood area and disobeys orders in order to catch him.
Unfortunately the movie Cop is not yet available on HBO Max.
| Writing | James B. Harris | Screenplay |
| Production | James B. Harris | Producer |
| Writing | James Ellroy | Novel |
| Sound | Michel Colombier | Original Music Composer |
| Editing | Anthony Spano | Editor |
| Production | James Woods | Producer |
| Directing | James B. Harris | Director |
| Art | Kathy Curtis-Cahill | Set Decoration |
| Production | Thomas Coleman | Executive Producer |
| Sound | Clancy T. Troutman | Supervising Sound Editor |
| Art | Gene Rudolf | Production Design |
| Sound | Robert W. Glass Jr. | Sound Re-Recording Mixer |
| Sound | Michael P. Cook | Sound Effects Editor |
| Production | Michael Rosenblatt | Executive Producer |
| Sound | Marty Stein | Supervising Sound Effects Editor |
| Costume & Make-Up | Gale Parker | Costume Design |
| Sound | Dan Harville | Sound Designer |
| Sound | Robert Thirlwell | Sound Re-Recording Mixer |
| Sound | Ed Fassl | Sound Effects Editor |
| Crew | Steve Kelso | Stunts |
| Crew | Steven Lambert | Stunt Coordinator |
| Crew | Steven Lambert | Stunts |
| Camera | Steve Dubin | Director of Photography |
| Crew | Steve Dubin | Cinematography |
| Production | John Strong | Supervising Producer |
| Crew | John Davenport | Carpenter |
| Art | Richard Dearborn | Swing |
| Costume & Make-Up | Bill Myer | Special Effects Makeup Artist |
| Costume & Make-Up | Deborah Figuly | Key Makeup Artist |
| Art | Ronald Moseley | Set Dresser |
| Costume & Make-Up | Lisa Meyers | Hairstylist |
| Art | Barbara Benz | Property Master |
| Art | Jeff Cazanov | Swing |
| Costume & Make-Up | April Alexandre | Hairstylist |
| Directing | Linda Rockstroh | Second Assistant Director |
| Crew | John Frady | Carpenter |
| Art | Steven B. Searpias | Swing |
| Sound | Duke Brown | Foley Editor |
| Crew | Denver Mattson | Stunts |
| Production | Lee Kissik | Extras Casting |
| Directing | Richard Alexander Wells | First Assistant Director |
| Art | Jeffrey Moore | Assistant Property Master |
| Production | Pamela Guest | Casting |
| Art | Christa Munro | Set Painter |
| Art | Monti Santilli Rainbolt | Leadman |
| Crew | Michael Hirst | Carpenter |
| Art | Chuck Roseberry | Swing |
| Sound | Steve Livingston | Music Editor |
| Costume & Make-Up | April Alexandre | Makeup Artist |
| Art | Jody Gaber | Assistant Production Design |
| Camera | Samuel Buddy Fries | First Assistant Camera |
| Sound | Rocky Moriana | Scoring Mixer |
| Sound | Kevin Rockey | Foley Editor |
| Crew | Lisa McCullough | Stunts |
| Production | Robyn Ray | Casting Assistant |
| Sound | David W. Alstadter | Foley Recordist |
| Crew | Dennis McLaughlin | Stunts |
| Camera | S. Phillip Sparks | Camera Operator |
| Production | Karen R. Sachs | Production Secretary |
| Lighting | Gene Hara | Electrician |
| Camera | Kevin Kuhn | Second Assistant Camera |
| Sound | Walter Hoylman | Sound Mixer |
| Camera | Malcolm Doran II | Dolly Grip |
| Crew | Katy Garretson | Stand In |
| Production | Sarah Johnstone | Production Coordinator |
| Crew | Rob Putansu | Projection |
| Crew | Vince Deadrick Sr. | Stunts |
| Camera | Peter Chrimes | Best Boy Grip |
| Camera | Jeff Cronenweth | First Assistant Camera |
| Camera | Phil Heath | Grip |
| Costume & Make-Up | Kathryn Sparks | Costumer |
| Production | LuAnne Cadd | Assistant Location Manager |
| Production | Ann Kindberg | Unit Production Manager |
| Art | Mitch Eakin | Construction Coordinator |
| Sound | Tom Ruff | Production Sound Mixer |
| Sound | Thomas Whiting | ADR Editor |
| Lighting | John Luker | Gaffer |
| Production | Teri Tunder | Casting Assistant |
| Editing | Brion McIntosh | Assistant Editor |
| Costume & Make-Up | Joan Hunter | Costumer |
| Editing | Dode Weyant | Negative Cutter |
| Sound | Ken Johnson | Music Editor |
| Crew | Gary Hanekamp | Transportation Coordinator |
| Production | Shirley Bukrey | Production Coordinator |
| Sound | Casey Troutman | Foley Editor |
| Camera | Shirley Bukrey | Still Photographer |
| Lighting | Rick Hamilton | Electrician |
| Camera | Ron McCausland | Key Grip |
| Editing | Phil Downey | Color Timer |
| Art | Chava Danielson | Assistant Set Decoration |
| Art | Paula Elizabeth Gertz | Set Dresser |
| Crew | Larry Fioritto | Special Effects Coordinator |
| Camera | Terry O'Brien | Grip |
| Lighting | Stephen Sharp | Best Boy Electric |
| Production | Paul Hargrave | Location Manager |
| Sound | Michael Perry | Boom Operator |
| Directing | Suzanne Gundlach | Script Supervisor |
