Eryk Lubos / Dominik
Maciej Musial / Daniel
Jan Englert / August Szwarc
Pawel Adamowicz / President of Gdansk
Maksymilian Balcerowski / Borys
Waldemar Blaszczyk / Albert Kaleta
Julia Bak / Hela
Paulina Chapko / Sandra
Mikolaj Chroboczek / Stefan
Leszek Czerwinski / Policeman
Katarzyna Dalek / Young woman
Zofia Dluska / Lena
Arkadiusz Glogowski / Piotr
Magdalena Gorzelanczyk / Makeup artist
Urszula Gotowicka / Receptionist
Martyna Grzybowska / Stewardess
Artur Janusiak / Smardzewski
Michal Jarosz / Bartender Sebek
Kamil Jaroszewski / Antek
Aleksandra Justa / Elzbieta Wojnar
Marek Kaliszuk / TV Show Host
Patricia Kazadi / Celebrity
Mateusz Kmiecik / Stage manager
Jacek Knap / Lector
Jacek Knapik / TV reporter
Fabian Kociecki / Wladzio
Szymon Kolodziej / Mateusz
Karolina Korwin-Piotrowska / TV Journalist
Johanna Kreft-Baka / Aunt
Hubert Kulacz / Radek
Kalina Mazurkiewicz / Zosia
Jerzy Michalski / Policeman
Marcin Miodek / Bellwether
Jakub Nosiadek / Driver Maks
Marta Ojrzynska / Justyna
Sebastian Perdek / Norbert
Andrzej Popiel / Makeup artist
Anna Romantowska / Actress
Olga Sarzynska / Anna
Agnieszka Sienkiewicz / Bellwether
Michal Sitarski / TV Boss
Maria Sobocinska / Daughter
Grazyna Sobocinska / Daughter
Aleksandra Spyra / Woman in red
Krzysztof Stasierowski / Actor
Marianna Steinborn / Zbyszek's fan
Anna Szymanczyk / Sylwia
Zofia Charewicz / Old woman in the hospital
Adam Turczyk / 'Reindeer'
Vincent Willestrand / Finnish driver
Krzysztof Wach / Grzesiek
Szymon Piotr Warszawski / Rafal
Dorota Wellman / TV Host
Krzysztof Wieszczek / Tomek
Barbara Wypych / Host of a children's program
Stefan Knothe / Actor at the funeral of Szwarc (uncredited)
Julia Kostow / Girl listening to Jan (uncredited)
Tomira Kowalik / Actress at the funeral of Szwarc (uncredited)
Barbara Majewska / Actress at the funeral of Szwarc (uncredited)
Robert Mazurkiewicz / Actor at the funeral of Szwarc (uncredited)
Cezary Szczygielski / Actor at the funeral of Szwarc (uncredited)

Grzegorz Drojewski / Piesen Ynk (polish version) (voice)
Elzbieta Kopocinska-Bednarek / Lesne stworzonko (polish version) (voice)
Jan Kulczycki / Listonosz (polish version) (voice)
Monika Wierzbicka / Filifionka (polish version) (voice)
Beata Wyrabkiewicz / Wiewiórka (polish version) (voice)
Brygida Turowska / Too-Tiki (polish version) (voice)
Szymon Roszak / (polish version) (voice)
Barbara Melzer / (polish version) (voice)
Marta Dobecka / (polish version) (voice)
Tomasz Borkowski / (polish version) (voice)
Anna Apostolakis / (polish version) (voice)
Sonja Ball / Gaffsie /  Whomper Grandma (voice)
Sara Bradeen / Too-Ticky (voice)
Stephanie Breton / Mymble /  Nibling /  Salome (voice)
Kathleen Fee / Moominmamma (voice)
Diandra Flores / Pikku Myy (finnish version) (voice)
Lin Gothoni / German Title Song 'Bring the Snow' (singing voice)
Nina Hukkinen / Tuu-tikki, Tahmatassu, Kampsu, Nyyti (finnish version) (voice)
Saara Lehtonen / orava, Surku-koira, Vilijonkka, Homssu-pellavapää (finnish version) (voice)
Pierre Lenoir / Hemulen (voice)
Oiva Lohtander / Muumipappa (finnish version) (voice)
Liz MacRae / Squirrel /  Fillyjonk /  Ginger Whomper (voice)
Eleanor Noble / Blond Whomper /  Little Woody (voice)
Terrence Scammell / Snufkin /  Mailman /  Ancestor (voice)
Maria Sid / Muumimamma (finnish version) (voice)
Kwasi Songui / Storyteller (voice)
Akira Takaki / Muumipeikko (finnish version) (voice)
Vesa Vierikko / kertoja, Postimies (finnish version) (voice)
Niklas Åkerfelt / Nuuskamuikkunen, Hemuli (finnish version) (voice)