The Finnish word 'maailmanparantaja' means 'do-gooder' in English.
Kari Hietalahti (Louhivuori), Pamela Tola (Anna Bergdahl) & Noa Tola (Emil Karppi) also worked together on Kimmo (2012) as Nissinen, Ulla & Oliver respectively.
Tommi Korpela (Alex Hoikkala), Pirjo Lonka (Julia Hoikkala) & Jani Volanen (Usko Bergdahl) also worked together on Kallio (2010) as Antero, Pirre & Kari respectively.
Pihla Viitala (Sofia Karppi) & Kari Hietalahti (Louhivuori) also worked together on Arctic Circle (2018) as Marita Kautsalo & Hamari respectively.
Lauri Tilkanen (Sakari Nurmi), Jani Volanen (Usko Bergdahl), Maksaa rahalla (2014) (Julia Hoikkala) & Raimo Grönberg (Tapio Koskimäki) also worked together on Syke (2014) as Jarkko Vento, Paul, Tina & Eliaksen isoisä respectively.