Biography
Jarkko Santeri Lahti (born 1978) is a Finnish actor. He is best known for his role as Olli Mäki in the film The Happiest Day in the Life of Olli Mäki (2016), for which he received the Jussi Award for Best Actor. Lahti has also appeared in films Sparrows (2015), The Unknown Soldier (2017), Helene (2020) and The Woodcutter Story (2022).
Filmography
Cast Credits

Pannbiff Pommes Chicken Teriyaki
Character: Butikskontrollant
MOVIE • 2025

Franky Five Star
Character: Vater Harri
MOVIE • 2023

Je'vida
Character: Teacher
MOVIE • 2023

66th North Precinct
Character: Harri Nikkilä
TV • 2023

Exit
Character: Hasse
TV • 2022

The Woodcutter Story
Character: Pepe
MOVIE • 2022

Zone B
Character: Vartija
TV • 2022

DikDek - Painajainen majatalossa
Character: Kurt ”Kurre” Jormanainen
TV • 2021

The Last Ones
Character: Manager
MOVIE • 2020

Helene
Character: Gösta Sundman
MOVIE • 2020

Man in Room 301
Character: Joel Leppo
TV • 2019

Maria's Paradise
Character: Lawyer
MOVIE • 2019

Unknown Soldier
Character: Viirilä
TV • 2018

Trainer
Character: Simo
MOVIE • 2018

The Tiger
Character: Markus
MOVIE • 2018

Unknown Soldier
Character: Viirilä
MOVIE • 2017

Moonshiners
Character:
MOVIE • 2017

The Happiest Day in the Life of Olli Mäki
Character: Olli Mäki
MOVIE • 2016

Sparrows
Character: Darijo
MOVIE • 2016

Scrap-Mattila and the Beautiful Woman
Character:
MOVIE • 2012