Ito Sairi
Furomitsu Seiko
Support Role
Onoe Matsuya II
Ikemoto Yuto
Support Role
Tsutsui Michitaka
Aoto Nariaki
Support Role
Kadowaki Mugi
Leica
Support Role

Endo Kenichi
Yabu Kanzo [Detective of Odonari Police Station] (Ep. 1)
Guest Role
Fujieda Yoshiki
Sagae Ken [Murder victim] (Ep. 1)
Guest Role
Nagayama Eita
Inudo Garo / "Kumada Sho" [Hijacked bus passenger] (Ep. 1-4, 11-12)
Guest Role
Kubota Yuki
Sakamoto Masao [Hijacked bus passenger] (Ep. 1-3, 11-12)
Guest Role
Abe Ryohei
Inudo Otoya [Bus hijacker] (Ep. 1-3, 11-12)
Guest Role
Morinaga Yuki
Awaji Ippei [Hijacked bus passenger] (Ep. 1-3)
Guest Role
Satsukawa Aimi
Kashiwa Megumi [Hijacked bus passenger] (Ep. 1-3)
Guest Role
Kaneda Akio
Narasaki Yukihito [Hijacked bus passenger] (Ep. 1-3)
Guest Role
Hiccorohee
Tsuyuki Rira [Hijacked bus passenger] (Ep. 1-3)
Guest Role
Morishita Yoshiyuki
Tabakomori Makoto [Bus driver] (Ep. 1-3, 12)
Guest Role
Kaneshi Moto
[Ken's friend in high school] (Ep. 1)
Guest Role
Yamamoto Chikara
[Ken's friend in university] (Ep. 1)
Guest Role
Shiraishi Mai
Inudo Anju [Murder victim] (Ep. 2-3, 11-12)
Guest Role
Kosuda Yasuto
[Bartender] (Ep. 2)
Guest Role
Kodama Raishin
[Post office staff] (Ep. 3)
Guest Role
Emoto Tasuku
Mifune Michio (Ep. 3-4)
Guest Role
Saotome Taichi
Ihara Kaneto / "Hono no Tenshi" (Ep. 3, 6-7)
Guest Role
Okayama Amane
"Roku" / "Kaeru" / Orito Rokuta [Patient] (Ep. 3, 6-7, 10)
Guest Role
Suzuki Kosuke
Amatatsu Haruo [Totono's professor] (Ep. 3, 6, 8-10)
Guest Role
Muramatsu Toshifumi
[Police officer] (Ep. 4)
Guest Role
Hiiragi Hinata
Kunou Totono [Child] (Ep. 4, 7, 9-10)
Guest Role
Kohinata Fumiyo
Ushida Goro (Ep. 5, 10)
Guest Role
Saeki Arata
Yoshimura [Detective] (Ep. 5, 11-12)
Guest Role
Aijima Kazuyuki
Shimodori Shinji [Goro's former partner] (Ep. 5, 12)
Guest Role
Chihara Junior
Hagui Gento [Serial killer] (Ep. 5, 12)
Guest Role
Nakagawa Akira
[Doctor] (Ep. 5)
Guest Role
Utagawa Shiiko
[Nurse] (Ep. 5)
Guest Role
Fujimoto Shizuka
[Lady who found the evidence] (Ep. 5)
Guest Role
Jean Youichi
[Man in murder reenactment] (Ep. 5)
Guest Role
Shimamura Miyako
[Victim] (Ep. 5)
Guest Role
Anami Atsuko
Umezu Manami [Greenhouse keeper] (Ep. 6, 10)
Guest Role
Tomita Keiko
Munakata Saeko [Inpatient] (Ep. 6)
Guest Role
Nishida Machiko
[Old lady in the hospital] (Ep. 6)
Guest Role
Inomata Ray
Orito Rokuta [Child] (Ep. 6-7)
Guest Role
Tokuyama Rito
Ihara Kaneto [Child] (Ep. 6-7)
Guest Role
Yagishita Kouga
Hiroki [Child who make a deal with Kaneto] (Ep. 6-7)
Guest Role
Ichijo Kyosuke
[Risa's step-father] (Ep. 6-7)
Guest Role
Yoshimura Ryo
[Rokuta's mother] (Ep. 6-7)
Guest Role
Imai Yuki
Sumi Tsubasa [Website admin] (Ep. 7)
Guest Role
Kondo Yoko
[Child welfare committee staff] (Ep. 7)
Guest Role
Itakura Takeshi
[Rokuta's homeroom teacher] (Ep. 7)
Guest Role
Kato Eito
[Rokuta's classmate] (Ep. 7)
Guest Role
Matsuura Rihito
[Rokuta's classmate] (Ep. 7)
Guest Role
Kamio Yusuke
[Rokuta's classmate] (Ep. 7)
Guest Role
Mizukawa Asami
Miyoshi Kiwa (Ep. 7-10)
Guest Role
Sasaki Kuranosuke
Kitsutaka Masaru [Mystery Society member] (Ep. 8-9)
Guest Role
Ikeuchi Mansaku
"Ivy" / Tsuta Tohei [Mystery Society member] (Ep. 8-9)
Guest Role
Taguchi Hiromasa
"Dera" [Mystery Society member] (Ep. 8-9)
Guest Role
Shibuya Kento
"Pan" [Mystery Society member] (Ep. 8-9)
Guest Role
Oogai Rumika
Leica [Young] (Ep. 10)
Guest Role
Shida Mirai
Sayaka [Yakiniku restaurant employee] (Ep. 10)
Guest Role
Horibe Keisuke
Urabesawa Kunio [Yakiniku restaurant owner] (Ep. 10)
Guest Role
Tamura Tomohiro
[Detective at yakiniku restaurant] (Ep. 10)
Guest Role
Tagami Hiroshi
[Leica's doctor] (Ep. 10)
Guest Role
Nakawaki Mikito
[Leica's foster parent] (Ep. 10)
Guest Role
Natsuko
Yokota Rumi [Casino employee talking to Garo] (Ep. 11)
Guest Role
Mizuno Tomonori
Kato [Homeless man] (Ep. 11)
Guest Role
Yokota Ryugi
[Casino employee] (Ep. 11)
Guest Role
Shida Masayuki
[Superintendent of Investigation of Shibahama Police Investigation Headquarters] (Ep. 11)
Guest Role
Funakoshi Eiichiro
Bizenjima Misao [Inspector of Shibahama Police Investigation Headquarters] (Ep. 11-12)
Guest Role
Matsumoto Wakana
Nekota Tomi
Guest Role
Kitamura Takumi
Tsuji Hiromasa [Museum curator] (Ep. 11-12)
Guest Role
Okuda Erika
Tsuji Tokiko [Murder victim] (Ep. 11-12)
Guest Role
Tani Kyosuke
Ono [Inspector of Shibahama Station Investigation Headquarters] (Ep. 11-12)
Guest Role
Horii Arata
Maekawa [Inspector of Shibahama Station Investigation Headquarters] (Ep. 11-12)
Guest Role
Morioka Ryu
Tsukioka Katsura [Craftsman] (Ep. 12)
Guest Role
Takahata Atsuko
Mikitani Saki [Train passenger] (Ep. 12)
Guest Role
Seki Megumi
Mikitani Hiroko [Train passenger] (Ep. 12)
Guest Role
Kawahara Eito
Tsuji Hiromasa [Young] (Ep. 12)
Guest Role
Isozaki Yoshitomo
[Police officer] (Ep. 11)
Guest Role
Matsumura Mio
[Announcer] (Ep. 11)
Guest Role
Furukawa Koji
Irie [Detective of Odonari Police Station]
Guest Role