Movies:
* The Unknown Soldier (2017) - A Finnish war drama film.
* The Fencer (2015) - A Finnish historical drama film.
* The Grump (2014) - A Finnish comedy film.
* The Midnight Sun (2009) - A Finnish drama film.
* The Other Side of Hope (2017) - A Finnish drama film directed by Aki Kaurismäki.
Television Series:
* The Last King (2020-2021) - A Finnish historical drama series.
* The Summer of the S (2018-2019) - A Finnish drama series.
* Bordertown (2016-2020) - A Finnish crime drama series.
* Helsinki (2017) - A Finnish television miniseries.
Other:
* The Story of a Finnish Family (2016) - A Finnish documentary film.
This list is not exhaustive, and he has been involved in many other projects throughout his career.
You can find a more comprehensive list of Mikko Leppilampi's acting credits on websites like IMDb.