
The film follows Sanna, who sets out to document the countless ways there are to ruin a marriage for her doctoral thesis.
Does 21 Ways to Ruin a Marriage have end credit scenes?
No!
21 Ways to Ruin a Marriage does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of 21 Ways to Ruin a Marriage, 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.

Vesa Vierikko
Eero Manner

Eero Ritala
Round-Headed Man

Misa Palander
Bride

Jarkko Niemi
Lauri

Pamela Tola
Elli

Miia Nuutila
Tiina Sirkiä

Mari Perankoski
Eve (voice)

Aku Hirviniemi
Jouni Pirhonen

Eila Roine
Visually Impaired Woman

Armi Toivanen
Sanna Manner

Frans Isotalo
Antti

Juha-Pekka Mikkola
Groom

Hannele Lauri
Eila Manner

Aarre Karén
Hearing Impaired Man

Riku Nieminen
Aleksi Sepänniitty

Essi Hellén
Aino Elomäki

Niina Lahtinen
Johanna

Krisse Salminen
Henna

Meiju Lampinen
Maija

Laura Vehkanen
Bride

Sami Samuel Kosonen
Timppa

Iikka Forss
Groom

Saara Saastamoinen
Bride

Jussi Puhakka
Husband

Minna Rimpilä
Mari

Miska Kajanus
Groom

Elina Hietala
Bride

Anna-Stina Backström
Wife

Hannes Suominen
Husband

Onni Leppänen
Leo

Ronja Porthan
Sandra

Tuomas Klaavo
Radio Voice (voice)

Mikko Mäkelä
Radio Voice (voice)

Eila Kupsu
Radio Voice (voice)

Viktor Toikkanen
Radio Voice (voice)

Susanna Laine
Radio Voice (voice)

Sami Kuronen
Radio Voice (voice)

Ville Klinga
Radio Voice (voice)
Discover where to watch 21 Ways to Ruin a Marriage online, including streaming platforms, rental options, and official sources. Compare reviews, ratings, and in-depth movie information across sites like IMDb, TMDb, Wikipedia or Rotten Tomatoes.
It appears 21 Ways to Ruin a Marriage does not have a summary available yet. Please consider requesting one.

Coming soon on iOS and Android
From blockbusters to hidden gems — dive into movie stories anytime, anywhere. Save your favorites, discover plots faster, and never miss a twist again.
Sign up to be the first to know when we launch. Your email stays private — always.
Immerse yourself in the magic of cinema with live orchestral performances of your favorite film scores. From sweeping Hollywood blockbusters and animated classics to epic fantasy soundtracks, our curated listings connect you to upcoming film music events worldwide.
Explore concert film screenings paired with full orchestra concerts, read detailed event information, and secure your tickets for unforgettable evenings celebrating legendary composers like John Williams, Hans Zimmer, and more.
Explore the various alternative titles, translations, and other names used for 21 Ways to Ruin a Marriage across different regions and languages. Understand how the film is marketed and recognized worldwide.
What's After the Movie?
Not sure whether to stay after the credits? Find out!
Explore Our Movie Platform
New Movie Releases (2026)
Famous Movie Actors
Top Film Production Studios
Movie Plot Summaries & Endings
Major Movie Awards & Winners
Best Concert Films & Music Documentaries
Movie Collections and Curated Lists
© 2026 What's After the Movie. All rights reserved.