- Kôki Uchiyama
- Â Lev Leps 12 episodes, 2021
- Megumi Hayashibara
- Â Irina Ruminescu 12 episodes, 2021
- Hina Kino
- Â Anya Simonyan 11 episodes, 2021
- Takaya Hashi
- Â Slava Korovin 9 episodes, 2021
- Ken'ichi Ogata
- Â Fjodor Gergiev 8 episodes, 2021
- Kikuko Inoue
- Â Natalia 7 episodes, 2021
- Masaki Terasoma
- Â Victor / ... 7 episodes, 2021
- Mikako Komatsu
- Â Rosa Plevitskaya 6 episodes, 2021
- Mao Ichimichi
- Â Lyudmila Halrova 6 episodes, 2021
- Kimmie Britt
- Â Roza Plevitskaya 6 episodes, 2021
- Kyouhei Natsume
- Â Jaures Rimsky 6 episodes, 2021
- Satoshi Hino
- Â Mikhail Yashin / ... 5 episodes, 2021
- Hiroki Tôchi
- Â Narrator 5 episodes, 2021
- Yutaka Aoyama
- Â Doctor Mozhaysky / ... 5 episodes, 2021
- Minoru Shiraishi
- Â Yustin 5 episodes, 2021
- Takehiro Urao
- Â Semyon Adamov 5 episodes, 2021
- Yoshitaka Yamaya
- Â Franz Ferman 4 episodes, 2021
- Shun'ichi Maki
- Â Vice-chairman 3 episodes, 2021
- Kôichi Sôma
- Â Pavlov 3 episodes, 2021
- Takuya Makimura
- Â Controller A 3 episodes, 2021
- Shôto Kashii
- Â Sagarevich 3 episodes, 2021
- Ryûnosuke Watanuki
- Â Chief Controller 2 episodes, 2021
- Ryô Sugisaki
- Â Controller B 2 episodes, 2021
- Chisa Suganuma
- Â Daughter / ... 2 episodes, 2021
- Hiroki Maeda
- Â Cameraman / ... 2 episodes, 2021
- Akihiro Mine
- Â Delivery Crew Member A 2 episodes, 2021
- Shinji Nagano
- Â Delivery Crew Member B / ... 2 episodes, 2021
- Yuri Ise
- Â Stepan Levitsky 2 episodes, 2021
- Jonah Scott
- Â Mikhail Yashin 1 episode, 2021
- Caitlin Glass
- Â Natalia 1 episode, 2021
- Tia Lynn Ballard
- Â Irina Ruminescu 1 episode, 2021
- A.J. Beckles
- Â Franz 1 episode, 2021
- Stephen Fu
- Â Lev Leps 1 episode, 2021
- R. Bruce Elliott
- Â Narrator 1 episode, 2021
- Jad Saxton
- Â Anya Simonyan 1 episode, 2021
- Bill Jenkins
- Â Fjodor Gergiev 1 episode, 2021
- Kyle Phillips
- Â Yustin 1 episode, 2021
- Jarrod Greene
- Â Zhores 1 episode, 2021
- Mark Stoddard
- Â Slava Korovin 1 episode, 2021
- Anthony Bowling
- Â Semyon Adamov 1 episode, 2021
- Christopher Bevins
- Â Professor Mozhaysky 1 episode, 2021
- Marcus D. Stimac
- Â Lieutenant General Victor 1 episode, 2021
- Yuka Nukui
- Â Woman in the Crow 1 episode, 2021
- Yû Wakabayashi
- Â Controller B 1 episode, 2021
- Reigo Yamaguchi
- Â Controller C 1 episode, 2021
- Yukiya Matsui
- Â Controller C 1 episode, 2021
- Yoshihito Sasaki
- Â Senior Official 1 episode, 2021
- Kenta Sasa
- Â Lev's Father 1 episode, 2021
- Makoto Sahara
- Â Guard 1 episode, 2021
- Wakana Kowaka
- Â Lev's Mother 1 episode, 2021
- Takehiro Hasu
- Â Security Guard 1 episode, 2021
- Yûki Tamai
- Â Shopkeeper 1 episode, 2021
- Akira Koga
- Â Man 1 episode, 2021
- Tetsurô Miyata
- Â Delivery Crew Member C 1 episode, 2021
- Koya Nomaki
- Â Candidate 1 episode, 2021
- Masashi Nogawa
- Â Minister of Defence 1 episode, 2021
