To prove his brother's innocence, undercover officer Nick enrolls in high school again, dealing with crushes, bullies, humiliations, popularity swings, and quirky teachers and staff to find the real murderer.
Unfortunately the movie Plain Clothes is not yet available on HBO Max.
| Directing | Martha Coolidge | Director |
| Production | Michael Manheim | Producer |
| Sound | Scott Wilk | Original Music Composer |
| Writing | Scott Frank | Screenplay |
| Art | William Apperson | Art Direction |
| Production | Richard Wechsler | Producer |
| Camera | Daniel Hainey | Director of Photography |
| Writing | Dan Vining | Story |
| Production | Don Goldman | Associate Producer |
| Production | Jackie Burch | Casting |
| Editing | Patrick Kennedy | Editor |
| Editing | Edward M. Abroms | Editor |
| Costume & Make-Up | Tracy Tynan | Costume Design |
| Art | Marya Delia Javier | Set Decoration |
| Production | Steven-Charles Jaffe | Executive Producer |
| Writing | Scott Frank | Story |
| Crew | Edward J. Ulrich | Stunt Coordinator |
| Sound | Dan Gleich | Sound Mixer |
| Sound | Leslie Shatz | Supervising Sound Editor |
| Camera | Gary Wattman | Dolly Grip |
| Crew | Phil Culotta | Stunts |
| Camera | Mark O'Kane | Steadicam Operator |
| Sound | Bobby Colomby | Music Supervisor |
| Art | Michel Levesque | Production Design |
| Directing | Peter Gries | First Assistant Director |
| Camera | Mark O'Kane | Camera Operator |
| Crew | Jennifer Prince | Stunts |
| Production | Don Goldman | Unit Production Manager |
| Crew | Wayne Montanio | Stunts |
| Sound | Allan K. Rosen | Supervising Music Editor |
| Lighting | Robert McClure | Chief Lighting Technician |
| Directing | Frank Capra III | Second Assistant Director |
| Art | Eugene McCarthy | Property Master |
| Art | Lachlin Loud | Set Designer |
| Editing | James Stanley | Assistant Editor |
| Art | Katie Carmichael | Assistant Property Master |
| Editing | George T. Talley | Assistant Editor |
| Art | Colleen Kennedy | Assistant Art Director |
| Sound | Sarah Goldsmith | Assistant Sound Editor |
| Sound | Peter Matz | Conductor |
| Sound | Aaron Rochin | Sound Re-Recording Mixer |
| Costume & Make-Up | Leslie McGovern | Wardrobe Supervisor |
| Editing | Christopher Notarthomas | Assistant Editor |
| Production | Spooky Stevens | Publicist |
| Directing | Veronica Flynn | Script Supervisor |
| Art | Ray Turnberg | Construction Foreman |
| Sound | Carolyn Broner | Assistant Music Supervisor |
| Sound | Carlos Delarios | Sound Re-Recording Mixer |
| Costume & Make-Up | Scilla Scandiuzzi | Wardrobe Supervisor |
| Editing | Kris Garfield | Assistant Editor |
| Sound | Anthony Starbuck | Boom Operator |
| Sound | Michael J. Kohut | Sound Re-Recording Mixer |
| Costume & Make-Up | Teresa M. Austin | Makeup Artist |
| Costume & Make-Up | Steven Frank | Hairstylist |
| Sound | Clayton Collins | Sound Editor |
| Sound | Holly Huckins | Assistant Sound Editor |
| Production | Patricia Fay | Location Manager |
| Crew | Bob Riggs | Special Effects |
| Sound | Jay Miracle | Sound Editor |
| Sound | Martina Young | Sound Editor |
| Sound | Mary Ann Skweres | Assistant Sound Editor |
| Production | Janet Siegel | Production Office Coordinator |
| Art | Dave Florence | Construction Coordinator |
| Sound | Laura Graham | Assistant Sound Editor |
| Camera | Matthew Neal McVay | Still Photographer |
| Crew | George Evans | Transportation Captain |
| Art | Nigel Clinker | Set Dresser |
| Costume & Make-Up | Rudy Dillon | Key Costumer |
| Production | Ferne Cassel | Casting Assistant |
| Crew | Russ Powell | Transportation Coordinator |
