Boris "Kos" Kosinski is a top MMA fighter. In the biggest battle of his life with his greatest rival, Denim Takaev, he makes a mistake that destroys his entire career. He loses everything. This failure brings him through a series of ups and downs, but it also pushes him to undertake a titanic effort to fight and win back respect and love
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Explore wallpapers from films starring the Underdog cast
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Eryk Lubos
Borys 'Kosa' Kosiński
Mamed Khalidov
Deni Takev
Aleksandra Popławska
Nina Bogucka
Emma Giegżno
Sonia Bogucka
Janusz Chabior
Trener "Kosy"
Tomasz Włosok
Tomek
Jarosław Boberek
Dziedzic
Krzysztof Kiersznowski
Cieślak
Mariusz Drężek
Puszkin
Bartosz Obuchowicz
Mądrala
Piotr Miazga
Sławomir Mandes
Hubert Chybowski
Michał Mikołajczak
"Nagan"
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Last updated: June 9, 2026
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Quick answers about Underdog wallpapers, cast, and downloads.
Moviely has 1 free Underdog cinematic wallpapers available to browse, preview in Mac Mode, and download.
Yes. Every Underdog backdrop on Moviely is free to preview and download for personal desktop or mobile wallpaper use.
Underdog wallpapers are available in HD and original quality, with smart resolution suggestions based on your display.
Yes. Open any Underdog wallpaper in Mac Mode to preview it on a desktop or iPhone lock screen before downloading.
Open the Underdog page, pick a backdrop, choose your preferred resolution (HD, Full HD, or Original), and click Download.
Underdog released in 2019. Moviely hosts cinematic wallpapers captured from the movie's official backdrop imagery.
Underdog is categorized as Drama, Action.
Maciej Kawulski directed Underdog.
Underdog stars Eryk Lubos, Mamed Khalidov, Aleksandra Popławska, Emma Giegżno, Janusz Chabior, and more.
Underdog has a runtime of 1h 51min.
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