Cast & crew
Boyka: Undisputed IV (2016)
Directed by Todor Chapkanov Written by Tony Mosher, David N. White, Boaz Davidson
Cast
| Teodora Duhovnikova | Alma |
| Scott Adkins | Yuri Boyka |
| Julian Vergov | Slava |
| Martyn Ford | Koshmar |
| Alon Aboutboul | Zourab |
| Petio Petkov | Dominik |
| Valentin Ganev | Warden |
| Brahim Achabbakhe | Igor Kazmir |
| Paul Chahidi | Kiril |
| Vlado Mihailov | Priest |
| Emilien De Falco | Viktor |
| Hristo Petkov | Guard |
| Boris Pankin | Scout #1 |
| Bashar Rahal | Scout #2 |
| Vladimir Kolev | Koychev |
| Tim Man | Ozerov Brother #1 |
| Andy Long Nguyen | Ozerov Brother #2 |
| Hristo Padev | Tall Soldier |
| Yavor Baharov | EMT |
| Plamen Velikov | Russian Priest |
| Ivan Kostadinov | Large Fighter |
| Atanas Madzharov | Church Choir |
| Atanaska Popova | Church Choir |
| Slavi Slavov | Prison Referee |
| Vencislav Stojanov | Club Referee |
| Tsvetolyub Iliev | Opponent |
| Ilian Emanviov | Local Fighter |
| Velizar Peev | Fighter #1 |
| Georgi Petkov | Church Choir |
| Mihaela Semova | Church Choir |
| Trayan Milenov-Troy | Boris Tarsov |
| Danko Jordanov | Zourab's Guard #1 |
| Ivan Iliev | Zourab's Guard #2 |
| Genko Ivanov | Bouncer #1 |
| Stefan Shopov | Bouncer #2 |
| Dimiter Doichinov | Doorman #1 |
| Venelin Mishev | Doorman #2 |
| Anina Youroukova | Female Guest |
| Aleksandar Belovski | Spectator (uncredited) |
Crew
| Tim Man | Action Director |
| Todor Chapkanov | Director |
| Tony Mosher | Writer |
| David N. White | Writer |
| Boaz Davidson | Story |
| Christa Campbell | Executive Producer |
| Valentin Dimitrov | Line Producer |
| Boaz Davidson | Producer |
| Isaac Florentine | Producer |
| Tim Man | Martial Arts Choreographer |
| Tim Man | Stunt Coordinator |
| Lonnie Ramati | Co-Executive Producer |
| Lati Grobman | Executive Producer |
| Avi Lerner | Executive Producer |
| Mark Gill | Producer |
| Trevor Short | Producer |
| Mariana Stansheva | Casting |
| Orlin Grozdanov | Set Decoration |
| John Thompson | Producer |
| Les Weldon | Producer |
| Irit Raz | Editor |
| Vincent Cheng | Executive Producer |
| Valentina Mladenova | Production Design |
| Tapio Liukkonen | Foley Artist |
| Dimitrina Stoyanova | Hairstylist |
| Mariana Vodenicharova | First Assistant Director |
| Kristina Sakizli | Second Assistant Director |
| Daniela Avramova | Key Makeup Artist |
| Ivo Jivkov | Special Effects |
| Ivon Ivanova | Makeup Artist |
| Viktor Hristov | Stunts |
| Trayan Milenov-Troy | Stunts |
| Georgi Manchev | Stunts |
| Velizar Peev | Stunts |
| Emilien De Falco | Stunts |
| Alexander Hristov | Stunts |
| Danko Jordanov | Stunts |
| Tsvetolyub Iliev | Stunts |
| Veselin Troyanov | Stunts |
| Ivan Iliev | Stunts |
| Teodor Tzolov | Stunts |
| Kiril Valchanov | Second Unit Director of Photography |
| Ivan Vatsov | Director of Photography |
| Marina Yordanova | Stunt Double |
| Hristo Idakiev | Gaffer |
| Stephen Edwards | Original Music Composer |