21 Ways to Ruin a Marriage

21 Ways to Ruin a Marriage (21 tapaa pilata avioliitto) is a 2013 Finnish film written and directed by Johanna Vuoksenmaa. It was the highest grossing locally produced movie of the year in Finland.

Main cast

 * Armi Toivanen as Sanna Manner
 * Essi Hellén as Aino
 * Riku Nieminen as Aleksi
 * Aku Hirviniemi as Jouni
 * Pamela Tola as Elli
 * Hannele Lauri as Eila Manner
 * Jarkko Niemi as Lauri