Acting
Olivia Olson
Acting · Born 1992-05-21 · Los Angeles, California, USA
Olivia Rose Olson (born May 21, 1992) is an American actress and singer-songwriter, mostly known for her voice roles as Vanessa Doofenshmirtz in Phineas and Ferb and Marceline the Vampire Queen in Adventure Time. She also played the character of Joanna in the 2003 film Love Actually and its 2017 short sequel Red Nose Day Actually.
Credits · 21
Adventure Time: Side Quests
2026 · Marceline (voice)
Adventure Time: Fionna and Cake
2023 · Marceline / Celine (voice)
FilmThe Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special
2022 · Self
We Baby Bears
2022 · Ursa (voice)
FilmThe Glorias
2020 · Susanne Steinem (uncredited)
Adventure Time: Distant Lands
2020 · Marceline the Vampire Queen / Additional Voices (voice)
FilmPhineas and Ferb the Movie: Candace Against the Universe
2020 · Vanessa Doofenshmirtz (voice)
Fast & Furious Spy Racers
2019 · Jun
FilmRed Nose Day Actually
2017 · Joanna
The Powerpuff Girls
2016 · Bliss (voice)
FilmPhineas and Ferb: Last Day of Summer
2015 · Vanessa (voice)
FilmPhineas and Ferb: Night of the Living Pharmacists
2014 · Vanessa Doofenshmirtz (voice)
FilmPhineas and Ferb: Star Wars
2014 · Vanessa the Twi'Lek (voice)
Steven Universe
2013 · Pop Singer (voice)
Inanimate Insanity
2011 · Lyricist
FilmPhineas and Ferb: Summer Belongs to You!
2010 · Vanessa Doofenshmirtz (voice)
Adventure Time
2010 · Marceline the Vampire Queen (voice)
Phineas and Ferb
2007 · Vennesa the Twi'Lek (voice)
Zoey 101
2005 · Girl #1
The Tracy Morgan Show
2003 · Julia
FilmLove Actually
2003 · Joanna Anderson