- Park Seo-joon
- Yong Hoo
- Ahn Sung-ki
- Father Ahn
- Woo Do-Hwan
- Ji-sin
- Jo Eun-hyung
- Hong Jin
- Lee Seung-joon
- Police Sergeant Park
- Choi Woo-sik
- Father Choi
- Jung Ji-hoon
- Ho Seok
- Kim Si-eun
- Nun Theresa
- Park Ji-hyun
- Soo-jin
- Seo Jung-yeon
- Soo Jin's mother
- Jasper Cho
- Kevin
- Sim Hee-seop
- Father Kim
- Jang Se-ah
- Babylon club Ladies
- Lee Seol
- Seol
- Kyu-Hwan Kim
- Yong-Hu Trainer 2
- Bae Hyun-Sung
- Hyun Sung
- Ryu Kyung-soo
- Doctor
- Park Jin-joo
- Delivery woman
- Lisa Marie Anderson
- Fight spectator
- Kim Beom-soo
- Beom-soo
- David Biedrzycki
- Guard 1
- Aleksander Braun
- DSLR 3
- Dalton Broback
- Father Choi
- Woodrow Carter
- MFC Rep 1
- Martin Chan
- Yong-Hu Manager
- Widson Charlemont
- Guard 4
- Jung Da-eun
- Eun Young
- Herb Dean
- Referee
- Brandon Favre
- Assistant Referee 3
- Andre Franco
- MMA Coach
- Gene Graham
- Cut Man
- Mark Heron
- Ringside Doctor
- Damon Hoffman
- Guard 3
- Kim Hyun Joon
- Man from Babylon club
- Onye Ibekwe
- Assistant Referee 4
- Park Ji-Yeol
- Yeol
- Park Jun Hyuk
- [Joseph's cathedral #1]
- Joseph Kim
- Man from Babylon club
- Rita Kurtz
- VIP Arena Attendant
- Lucia Lobosvilla
- Child 1 / Additional Voices (voice)
- Reggie Luck
- ENG 3
- Joe A. Martinez
- Cage Announcer
- Jake Matthews
- John White
- Dylan Mobley
- Police Sergeant Park
- Kim Hans Morton
- Demon A
- Joshua Passmore
- Officer Choi / Dae-Hwan / Male Commander / Drunk Guy / Male Lackey B (voice)
- Steve Phelan
- ENG 4
- Anairis Quinones
- Nun / Su-Jin's Mother / Shaman (voice)
- Sarah Roach
- Su Jin
- Brianna Roberts
- Mother Superior / Female Fighter / Radio Announcer (voice)
- Mark Schaefer
- ENG 2
- Cha Si-won
- Dae-Hwan
- Park So-Eun
- Soo Jin's friend #2
- Melissa Sternenberg
- Hong-Jin / Sister Veronica / Yong-Hoo's Grandmother (voice)
- Seung Yong Turner
- Yong-Hu Trainer 1
- Craig Whittle
- Guard 2
- Ken Yang
- Yong-Hu Global Manager
