Serial killer Molly Keller, along with a few insane youngsters agrees to be a trail subject for an unconventional experiment. But, the experiment turns unsuccessful and the subjects begin to die.
Unfortunately the movie Ripper 2: Letter from Within is not yet available on HBO Max.
| Directing | Jonas Quastel | Director |
| Directing | Lloyd A. Simandl | Director |
| Writing | Jonas Quastel | Screenplay |
| Writing | John Sheppard | Screenplay |
| Crew | Pat Bermel | Additional Writing |
| Writing | Evan Tylor | Story |
| Writing | Jonas Quastel | Story |
| Writing | John A. Curtis | Story |
| Production | Rod Akizuki | Executive Producer |
| Production | Bill Allan | Executive Producer |
| Production | John A. Curtis | Executive Producer |
| Production | Geoff Griffith | Line Producer |
| Production | Tom Raycove | Associate Producer |
| Production | Michael Rogers | Line Producer |
| Production | Lloyd A. Simandl | Producer |
| Production | Evan Tylor | Executive Producer |
| Sound | Peter Allen | Original Music Composer |
| Camera | John Drake | Director of Photography |
| Editing | David Campling | Editor |
| Production | Ann Forry | Casting |
| Art | Olga Rosenfelderová | Production Design |
| Costume & Make-Up | Adéla Robová | Key Hair Stylist |
| Costume & Make-Up | Adéla Robová | Makeup Artist |
| Directing | Marianna Krenova | Assistant Director |
| Sound | Michael Keeping | Foley |
| Sound | Mario Loubert | Sound Effects Editor |
| Editing | Christine McLeod | Dialogue Editor |
| Sound | Vince Renaud | Sound Re-Recording Mixer |
| Sound | Jo Rossi | Sound Re-Recording Mixer |
| Crew | Petr Drozda | Stunt Coordinator |
| Crew | Michal Grün | Stunts |
| Crew | Ladislav Lahoda | Stunt Coordinator |
| Camera | John Drake | Camera Operator |
| Lighting | Václav Filacek | Gaffer |
| Camera | Tomáš Hruška | First Assistant Camera |
| Camera | Jaromír Kalina | Steadicam Operator |
| Camera | Jaromír Kalina | Camera Operator |
| Camera | Jiří Kubík | Camera Technician |
| Production | Jessica Horváthová | Casting |
| Production | Vladimira Pitelova | Casting |
| Editing | Debbie Berman | Additional Editing |
| Directing | Jeannine Dupuy | Script Supervisor |
| Directing | Kazi Kopecká | Script Supervisor |
| Production | Sandrine Brunet | Associate Producer |
| Production | Keith Evans | Executive Producer |
| Production | David W.G. MacKenzie | Executive Producer |
| Sound | John Carroll | Original Music Composer |
| Art | Sandrine Brunet | Production Design |
| Art | Milan Svenha | Set Decoration |
| Costume & Make-Up | Lenka Koutková | Costume Design |
| Costume & Make-Up | Ilona Robova | Hairstylist |
| Costume & Make-Up | Ilona Robova | Makeup Artist |
| Costume & Make-Up | Martina Šeděnková | Hairstylist |
| Costume & Make-Up | Martina Šeděnková | Makeup Artist |
| Costume & Make-Up | Sarka Zakovska | Hairstylist |
| Costume & Make-Up | Sarka Zakovska | Makeup Artist |
| Production | Ivana Grusova | Unit Manager |
| Directing | Lukás Plachý | Assistant Director |
| Directing | Blair Roth | Assistant Director |
| Directing | Philip Seeger | Assistant Director |
| Costume & Make-Up | Karel Jinda | Set Dressing Artist |
| Costume & Make-Up | Jan Klinke | Set Dressing Artist |
| Crew | Martin Novotny | Property Master |
| Costume & Make-Up | Martin Svenha | Set Dressing Artist |
| Sound | Ken Biehl | Sound Re-Recording Mixer |
| Sound | Zdenek Manych | Boom Operator |
| Sound | Karel M. Martínek | Sound Mixer |
| Visual Effects | Jiří Berger | Pyrotechnic Supervisor |
| Crew | Viktor Cervenka | Stunt Coordinator |
| Crew | Zuzana Drdacka | Stunts |
| Crew | Ales Putik | Stunts |
| Crew | Lucka Skoupa | Stunts |
| Camera | Petr Kasík | Grip |
| Crew | Jiri Kubik Jr. | Loader |
| Camera | Lukás Rezek | Grip |
| Crew | Václav Sadílek | Loader |
| Crew | Václav Sadílek | Video Assist Operator |
| Lighting | Petr Stejskal | Best Boy Electric |
| Camera | Roman Stverák | Grip |
| Costume & Make-Up | Bozena Krejcova | Seamstress |
| Editing | Patrick Carroll | Additional Editing |
| Production | Ivana Grusova | Location Manager |
| Crew | Jakub Eliášek | Transportation Coordinator |
| Crew | Martin Vesely | Driver |
| Production | Helena Andrtova | Production Coordinator |
| Production | Christine Barber | Production Coordinator |
| Crew | Jaroslav Gotwald | Stand In |
| Crew | Peter Kohl | Production Controller |
| Crew | Vít Kratochvíl | Chef |
| Crew | Petr Luthar | Stand In |
| Crew | Laco Palsa | Craft Service |
| Crew | Alexandra Vetenglová | Stand In |
| Production | Lubos Vincalek | Production Accountant |
| Visual Effects | Ales Dudak | Visual Effects Supervisor |
| Production | Douglas W. Miller | Producer |
| Crew | Douglas W. Miller | Post Production Supervisor |
| Camera | Jeff Petry | Still Photographer |
