- Toshi Okuzaki
- Takashi Takamoto / Sheimasu Tantai / Mujina Demon Badger King
- Masa Yamaguchi
- Haruto Kioke / Kurosaki Itto / Sperm
- Mayu Iwasaki
- Mia Matsumoto / Saku / Yumi the Bat
- Kuni Hashimoto
- Leiji Nishizaki
- Izumi Woods
- Izumi Himura / Saku
- Nobuaki Shimamoto
- Detective Oshiro
- Yoji Tatsuta
- Cat Talk Host / Old Man
- Shinichi Matsuda
- Moritaro Kioke
- Oscar Harris
- Timestryker
- Lee Lin Chin
- Self
- Guitar Wolf
- Self
- Travis Johnson
- Self
- Dario Russo
- Self
- Shonen Knife
- Themselves
- Des Mangan
- Self - Narrator
- Yasushi Asaya
- Young Leiji
- Arnold Wong
- The Master
- Luca Otake
- Young Sheimasu
- Sumina Elieff
- Young Kurosaki
- Silvan Sontoso
- Young Lord
- Chris Jones
- Young Haruto
- Hibiki Ishihara
- Cigarette Kid
- Rio Ishihara
- Small Girl
- Yue Ishi
- Young Woman
- Emilia Effendi
- Pregnant Woman / Shlam! Back-up Singer
- Lisa Matsumoto
- Yumi / Shlam! Back-up Singer
- Hoa Xuande
- Kenji
- Risa Otha
- Yumi (Kenji's Girlfriend)
- Sheila Lim
- Wolf the Ripper Victim
- Peter Cheng
- Old Scientist
- Lenny Rudeberg
- Giant Robot / Wolf the Ripper
- Clint Lawrence
- Prison Correctional Officer
- Ben Sutton
- Prison Arts Manager
- Saaya Elieff
- Kurosaki's Daughter
- Daniel Walker
- Badger King / Penis Monster / Dog
- James Helm
- Wolf the Ripper
- Magnus Danger Magnus
- Timestryker Narrator / Italian Stallion (voice)
- Matt Lovkis
- Timestryker - English Voice
- Hideki Ozawa
- Timestryker - Japanese Voice
- Nat Akai
- Sutaffu Voice-over / Pregnant Woman / Siren
- Arisa Hosokawa
- Victorian Woman / Siren / Cat Talk Voice-over
- Kent Hosokawa
- Penis Cannibal Victim
- Jono Watts
- Australian police officer
- Michael Anthony
- Police Officer
- Jonathan Spiroff
- Extra
- Rubeun Yorkshire
- Prisoner #1
- Bryan Chance
- Prisoner
