Helena Mattsson (born 30 March 1984) is a Swedish actress living and working in Hollywood.
Mattsson was born and raised in Stockholm, Sweden, had roles early on in Wild Side Story and other cabarets there, and moved at a young age to London, England, to attend theatre school. When she was 19 years old she moved to Hollywood. Her first role was in a short-lived TV series called Sweden, Ohio in 2004. In 2007 she starred in Species: The Awakening, and has been cast in the film You and I. Mattsson also appeared in the music video of Primal Scream's "Country Girl" in 2006. She appeared in the Touchstone Pictures film Surrogates and also in three episodes of the ABC series Desperate Housewives as Irina and in three episodes of Nikita as Cassandra Ovechkin. She played Alexis Blume in the TV series 666 Park Avenue.
Known For
Little Angels
Charli
2025
Bull Run
Elizabeth Chandler
2024
Twilight of the Gods
Angboda (voice) · (1 episode)
2024
Sinister Surgeon
Dr. Nichols
2024
Interior Hallway Night
Janet
2023
Dark Asset
Jane
2023
Something About Her
Jackie
2021
Iceland is Best
Carla
2020
Murder in the Vineyard
Emma Kirk
2020
Shattered Memories
Kelly Moore
2020
His Deadly Affair
Danielle Turner
2019
Tacoma FD
Ulsa · (1 episode)
2019
Mommy Group Murder
Grace
2018
My Dinner with Hervé
Britt Ekland
2018
The Rookie
Ashley McGrady · (5 episodes)
2018
Magnum P.I.
Megan McGrady · (1 episode)
2018
My Husband's Secret Wife
Avery
2018
Melvin Smarty
Sylvia
2018
The Neighborhood Nightmare
Kat Riley
2018
Smartass
Henna
2017
Rx
Jennifer
2017
Jeff and Some Aliens
Inga · (10 episodes)
2017
Code of Honor
Keri Green
2016
The Loner
Oksana
2016
Win, Lose or Love
Clara Goodwin
2015
Fargo
Jemma Stalone · (2 episodes)
2014
Audrey
Tess
2014
Betrayal
Brandy Korskaya · (13 episodes)
2013
Seven Psychopaths
Blonde Lady
2012
666 Park Avenue
Alexis Blume · (13 episodes)
2012
Guns, Girls and Gambling
The Blonde
2012
She Was Here
Hilary Harris
2012
The Babymakers
Tanya
2012
American Horror Story
Agnetha · (4 episodes)
2011
Breakout Kings
Heather Storrow · (1 episode)
2011
You and I
Kira
2011
The Defenders
Tawney · (1 episode)
2010
Nikita
Cassandra Ovechkin · (3 episodes)
2010
Iron Man 2
Rebecca
2010
Behind the Moomins
Self
2010
Surrogates
JJ the Blonde
2009
NCIS: Los Angeles
Johanna · (1 episode)
2009
Species: The Awakening
Miranda Hollander
2007
Vanity
Nobody
Lelle
2009
Legend of the Seeker
Salindra · (1 episode)
2008
The Mentalist
Elsa Struven · (1 episode)
2008
Rules of Engagement
Martina · (1 episode)
2007
Desperate Housewives
Irina Kosokov · (3 episodes)
2004
CSI: NY
Lauren Redgrave · (1 episode)
2004
Cold Case
Kateryna Yechenko · (1 episode)
2003
Two and a Half Men
Ingrid · (1 episode)
2003
CSI: Miami
(1 episode)
2002
CSI: Crime Scene Investigation
Rebecca 'Becca' Mayford · (1 episode)
2000
American Men
Anya · (1 episode)