2112; the summer before Akane Tsunemori was assigned to Division One of the Public Safety Bureau's Criminal Investigation Department. Teppei Sugo, an accomplished pilot of the Defense Army's 15th Integrated Task Force, joins the military operation in Okinawa. Three months later, an unmanned combat drone opens fire on the Ministry of Defense in Tokyo. Enforcer Tomomi Masaoka of CID Division One is dispatched to Sugo's military base to investigate the truth behind this case.
Unfortunately the movie Psycho-Pass: Sinners of the System - Case.2 First Guardian is not yet available on HBO Max.
| Sound | Yoshikazu Iwanami | Sound Director |
| Visual Effects | Shinya Sugai | 3D Director |
| Sound | Yugo Kanno | Original Music Composer |
| Production | Akitoshi Mori | Producer |
| Sound | Yasumasa Koyama | Sound Effects |
| Writing | Gen Urobuchi | Original Story |
| Art | Shuichi Kusamori | Art Direction |
| Production | Masaya Saito | Producer |
| Visual Effects | Yasuhiro Aoki | Character Designer |
| Production | Hiroe Nakahara | Producer |
| Editing | Yoshinori Murakami | Editor |
| Writing | Makoto Fukami | Screenplay |
| Visual Effects | Emiko Ueno | Color Designer |
| Camera | Eiji Arai | Director of Photography |
| Sound | Hiroaki Sano | Music Producer |
| Production | Fumi Morihiro | Producer |
| Visual Effects | Naoyuki Onda | Character Designer |
| Visual Effects | Hisashi Abe | Supervising Animation Director |
| Sound | Takayuki Yamaguchi | Sound Mixer |
| Visual Effects | Kyoji Asano | Character Designer |
| Editing | Chika Ishii | Online Editor |
| Editing | Ryotaro Tate | Online Editor |
| Production | Yoko Matsuzaki | Executive Producer |
| Directing | Yasuhiro Geshi | Second Unit Director |
| Art | Naoki Arakawa | Storyboard Artist |
| Art | Yoshiharu Ashino | Storyboard Artist |
| Art | Naoyoshi Shiotani | Storyboard Artist |
| Art | Atsushi Takeuchi | Storyboard Artist |
| Production | Miyuka Kidachi | Publicist |
| Visual Effects | Tokuyuki Matsutake | Key Animation |
| Visual Effects | Hisaki Furukawa | Key Animation |
| Visual Effects | Katsuhiro Takagi | Key Animation |
| Visual Effects | Miyuki Nakamura | Lead Animator |
| Visual Effects | Yang Byung-gil | Key Animation |
| Visual Effects | Mayu Gushiken | Key Animation |
| Visual Effects | Shuuko Tomita | Key Animation |
| Visual Effects | Miki Kato | Key Animation |
| Visual Effects | Miyoko Shikibu | Key Animation |
| Visual Effects | Tomoko Hamanaka | Key Animation |
| Visual Effects | Miyuki Nakamura | Key Animation |
| Visual Effects | Dena Akehara | Key Animation |
| Visual Effects | Ryota Furukawa | Animation Director |
| Visual Effects | Ryota Furukawa | Lead Animator |
| Visual Effects | Hisashi Abe | Animation Director |
| Visual Effects | Yukako Tsuzuki | Key Animation |
| Visual Effects | Akiko Nagashima | Key Animation |
| Visual Effects | Tetsuro Moronuki | Key Animation |
| Visual Effects | Hideaki Matsuoka | Key Animation |
| Visual Effects | Fumi Morita | Key Animation |
| Visual Effects | Ryota Furukawa | Key Animation |
| Visual Effects | Yasuhiro Aoki | Key Animation |
| Visual Effects | Miori Tsuzaka | Key Animation |
| Visual Effects | Atsushi Takeuchi | Key Animation |
| Visual Effects | Ryota Niino | Key Animation |
| Visual Effects | Kanako Maru | Key Animation |
| Visual Effects | Tomomi Takeuchi | Key Animation |
| Visual Effects | Chihiro Nishikawa | Key Animation |
| Visual Effects | Tetsuro Moronuki | Lead Animator |
| Visual Effects | Arisa Ito | Key Animation |
| Visual Effects | Nobuyoshi Souzaki | Key Animation |
| Visual Effects | Yuji Miyashita | Key Animation |
| Visual Effects | Miyuki Nakamura | Animation Director |
| Visual Effects | Yuko Yamamoto | Key Animation |
| Writing | Naoyoshi Shiotani | Original Story |
| Directing | Naoyoshi Shiotani | Director |
