
Boris "Kos" Kosinski is a celebrated MMA fighter whose promising career takes a devastating turn during a crucial match against his longtime rival, Denim Takaev. A critical error leads to his downfall, costing him everything he’s worked for. Following this crushing defeat, Kosinski experiences a period of struggle and reflection, ultimately motivating him to embark on a challenging journey to reclaim his reputation and earn back the love and respect he has lost.
Does Underdog have end credit scenes?
No!
Underdog does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of Underdog, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Janusz Chabior
Trener "Kosy"

Eryk Lubos
Borys 'Kosa' Kosiński

Krzysztof Kiersznowski
Cieślak

Jarosław Boberek
Dziedzic

Mariusz Drężek
Puszkin

Piotr Miazga

Aleksandra Popławska
Nina Bogucka

Sławomir Mandes

Bartosz Obuchowicz
Mądrala

Tomasz Włosok
Tomek

Emma Giegżno
Sonia Bogucka

Michał Mikołajczak
"Nagan"

Mamed Khalidov
Deni Takev

Hubert Chybowski
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