Mimosa Willamo (born 9 November 1994) is a Finnish actress known for her work in film and television. She has won two Jussi Awards: one for Best Leading Actress and one for Best Supporting Actress. Raised in Espoo, she did dubbing work as a child and presented for a YLE youth programme before making her feature film debut in (2014), which earned her critical praise.

Early life William was born on 9 November 1994 in Helsinki, Finland. She was named after a character in Camilla Mickwitz's children's books. Second-born with four brothers, she had a working-class upbringing in , Northern Espoo. The home was bilingual as her father is a Finland-Swedish paediatric physiotherapist. Her mother, a teacher's aide, is half-Indian. As a youth, Willamo played instruments and did gymnastics. Career She started dubbing work when she was eight years old. Her first role was in and she also lent her voice to several Astrid Lindgren adaptations. In 2010, she began presenting for a YLE youth programme called with . At the age of 15, while attending , she had a minor role as an elf girl on the comedy sketch show . She heard about the casting call for through her upper secondary school's communication system. She auditioned and was cast as a troubled teenage girl named Takuu. There was a long hiatus before filming began, during which time she worked as an au pair in Luxembourg and attended a folk high school in Denmark. Headfirst premiered on 26 December 2014. Jouni Vikman of regarded Willamo as the highlight of the film, calling her "a true discovery [who] delivers one of the finest debuts in the annals of Finnish cinema". She later won Best Supporting Actress at the Jussi Awards for Headfirst.

In 2016, she appeared in , an eight-part comedy series sponsored by the department store. She then had a lead role in Bodom, a horror film about a group of young people who go camping to reconstruct the Lake Bodom murders. Her character, Nora, was described by Dennis Harvey in Variety as "caustic" and "tomboyish". She won Best Actress at the Screamfest Horror Film Festival for Bodom. She played Amanda "Mandy" Gaynor in (2016), an American exchange student who plays bass for the Finnish band Apulanta. She was then cast as Ca Bäck in (2016), a Finland-Swedish thriller series based on Monika Fagerholm's novel of the same name. This marked her first acting role where she performed in Swedish. In 2017, she appeared in a psychological thriller web series , the first Finnish drama programme to premiere on Instagram.

In Pamela Tola's Swingers (2018), she played Milla. She appeared in another web series, in HasBeen as Salla, a songwriter who wants to make music for herself. Malin Slotte of Hufvudstadsbladet wrote that Willamo "[stole] the show with her cool presence and dark charisma" The same year, Willamo began starring in the series Deadwind as Henna, the main protagonist's teenage stepdaughter who is involved with drugs. She played the titular role in Miia Tervo's debut feature film Aurora (2019), which opened the Gothenburg Film Festival. Willamo's performance was praised by critics. The film won seven Jussi awards; among them was Willamo's Jussi Award for Best Leading Actress. The same year, she and Josefine Fri starred in the web series Badrumsliv, as best friends Lo and Hilda who have just moved in together. The series takes place exclusively in their bathroom. Reviewing the series for Hufvudstadsbladet, Martina Moliis-Mellberg praised Willamo's portrayal of Lo's vulnerability.

Willamo appeared in Box 21 (2020), her first role in a non-Finnish production. In the Swedish series based on crime novels by Anders Roslund and Borge Hellström, she played one of the two main roles, police investigator Mariana Hermansson. The COVID-19 pandemic delayed projects across the industry, including several Willamo was involved with; she spent time Lohja during this period. One of the productions delayed was Memory of Water, a sci-fi film based on Emmi Itäranta's novel of the same name about a dystopian future where the earth's water resources have been depleted. Filming was able to proceed by August 2020. In June 2021, the five-part Svenska Yle radio fantasy drama series Under sjön premiered, in which she played a 19-year-old girl named Ariel, whose life is upended when her boyfriend disappears. In (2021), she and played the younger and older versions of Linda, respectively, in a film adaptation of Kjell Westö's novel of the same name. She reprised her role as Mariana Hermansson in Cell 8 (2022). She competed on the second season of Amazing Race Suomi with her father Patrick; the duo finished as runners-up. She appeared in another Swedish series with a role in Gåsmamman. She played a police officer named Vera Waara in Murha Hangossa (2024), a thriller series set in Hanko based on detective novels by .

In 2025, she appeared in Yle Areena's audio drama Laskettua aika, playing a journalist tasked with covering the Russian invasion of Ukraine and locating a surrogate mother in Kyiv. Reviewing the ten-part series for Hufvudstadsbladet, Pia Ingström felt the production did not live up to its potential, offering only a superficial exploration of interesting topics like war journalism and commercial surrogacy. However, she regarded Willamo's performance as authentic. Next, Willamo was seen in (2025), a film based on 's novel about a relationship between two musicians. She also made her debut as a stage actress at in Flamingonpunainen unelma alongside Tobias Zilliacus and . The production received positive reviews from Rakel Graffman of Hufvudstadsbladet and Tomas Jansson of YLE. She starred in The Squirrel (2026) alongside . Reviewing the film for Karjalainen, Jussi Virratvuori praised her performance as Emilia, regarding it as nuanced, dynamic, and a welcome departure from her recent roles.

Filmography Film Year Title Role Notes 2014 Tiina "Takku" Kurhinen 2016 Amanda "Mandy" Gaynor Bodom Nora 2018 Swingers Milla 2019 Aurora Aurora Onerva 2020 The Potato Venture 2021Linda (younger) Finders of the Lost Yacht Liisa Hapula Finnish: Pertsa ja Kilu2022 Memory of Water Sanja 2023 Sisu Aino 2025Elisa2026The SquirrelEmilia Vala

Television Year Title Role Notes 2003 Josefine (voice) Main role 2010–2011 Elf girl 2016 Ca Bäck2017AlluWeb series2018 Pirjo Episode: "Kassalla" Hulttiot Nalletyttö 5 episodes 2018–2019 HasBeen Salla Web series 2018–2021 Deadwind Henna Honkasuo 28 episodes2019 Aallonmurtaja Olli 4 episodes Badrumsliv Lo Web series 2019–2021 Roba Heidi Salonen 2020 Box 21 Mariana Hermansson Alisa Valli Episode: "Paljastuksia" Paras vuosi ikinä Anni Episode: "Nuoruus on mielentila" Kaikki huutaa Dingo! Marika 11 episodes Eristyksissä Ronja Episode: "Selftape" Syke Martina 4 episodes2021Under sjönArielAudio drama Modernit miehet Oona Episode: "Sepot" 2022 Cell 8 Mariana Hermansson 2023 Lilli 4 episodes2024 Murha Hangossa Vera Waara Amazing Race SuomiHerselfSeason 2 Gåsmamman 2025Laskettua aikaNoraAudio dramaRoosa

Theatre YearTitleRoleVenueNotes2025Flamingonpunainen unelmaMultiple

Awards and nominations YearAwardCategoryWorkResult2015Jussi AwardsBest Supporting Actress 2016Screamfest Horror Film FestivalBest ActressBodom 2017Jussi AwardsBest Leading Actress2020Jussi AwardsBest Leading ActressAurora2025Golden VenlaBest Supporting Actor

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