Henry likes to kill people, in different ways each time. Henry shares an apartment with Otis. When Otis' sister comes to stay, we see both sides of Henry: "the guy next door" and the serial killer.
You can now watch Henry: Portrait of a Serial Killer online on the following streaming providers in the United States.
| Directing | John McNaughton | Director |
| Writing | Richard Fire | Screenplay |
| Writing | John McNaughton | Screenplay |
| Production | Steven A. Jones | Producer |
| Production | John McNaughton | Producer |
| Camera | Charlie Lieberman | Director of Photography |
| Editing | Elena Maganini | Editor |
| Production | Lisa Dedmond | Producer |
| Art | Rick Paul | Art Direction |
| Costume & Make-Up | Patricia Hart | Costume Design |
| Sound | Cory Coken | Sound Editor |
| Production | Malik B. Ali | Executive Producer |
| Production | Waleed B. Ali | Executive Producer |
| Production | Jeffery Lyle Segal | Casting |
| Crew | Michael J. Alonzi | Makeup Effects |
| Costume & Make-Up | Chuck Gatz | Hairstylist |
| Crew | Herb Nordheimer | Makeup Effects |
| Costume & Make-Up | Berndt Rantscheff | Makeup Artist |
| Costume & Make-Up | Jeffery Lyle Segal | Special Effects Makeup Artist |
| Crew | Scott Whitehead | Makeup Effects |
| Production | Lisa Dedmond | Production Manager |
| Crew | Steven A. Jones | Post Production Supervisor |
| Directing | Andrew Bradburn | Second Assistant Director |
| Directing | Paul Chen | First Assistant Director |
| Art | Frank Coronado | Storyboard Artist |
| Art | Rick Paul | Property Master |
| Art | Rick Paul | Set Dresser |
| Sound | Dan Haberkorn | Sound Effects |
| Sound | Jim Moore | Sound Re-Recording Assistant |
| Sound | Steve Wilburn | Sound Re-Recording Assistant |
| Sound | Thomas T. Yore | Sound Recordist |
| Crew | Paul M. Lane | Stunts |
| Camera | Dave Buckley | Grip |
| Camera | Brian Graham | Grip |
| Camera | David Mahlman | Assistant Camera |
| Camera | Paul Petraitis | Still Photographer |
| Camera | Berndt Rantscheff | Still Photographer |
| Camera | Bradley Sellers | Assistant Camera |
| Sound | Steven A. Jones | Music Director |
| Directing | Melanie Hecht | Script Supervisor |
| Art | Steven A. Jones | Title Designer |
| Art | David Le Boy | Title Designer |
| Production | Bradley Magon | Production Assistant |
| Sound | Robert McNaughton | Original Music Composer |
| Sound | Ken Hale | Original Music Composer |
| Sound | Steven A. Jones | Original Music Composer |
