Acting · Los Angeles, California, USA · Born May 21, 1992
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.
TVAdventure Time: Side Quests
2026
as Marceline (voice)
TVAdventure Time: Fionna and Cake
2023
as Marceline / Celine (voice)
MovieThe Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special
2022
as Self
TVWe Baby Bears
2022
as Ursa (voice)
MovieThe Glorias
2020
as Susanne Steinem (uncredited)
MovieGrapefruit
2020
as Grapefruit
TVAdventure Time: Distant Lands
2020
as Marceline the Vampire Queen / Additional Voices (voice)
MoviePhineas and Ferb the Movie: Candace Against the Universe
2020
as Vanessa Doofenshmirtz (voice)
TVFast & Furious Spy Racers
2019
as PizzaRave (voice)
MovieRed Nose Day Actually
2017
as Joanna
TVThe Powerpuff Girls
2016
as Bliss (voice)
MoviePhineas and Ferb: Last Day of Summer
2015
as Vanessa (voice)
MoviePhineas and Ferb: Night of the Living Pharmacists
2014
as Vanessa Doofenshmirtz (voice)
MoviePhineas and Ferb: Star Wars
2014
as Vanessa the Twi'Lek (voice)
TVSteven Universe
2013
as Pop Singer (voice)
MovieAdventure Time: Fun With Finn And Jake
2012
as Marceline the Vampire Queen (voice)
MovieVoice Over
2012
as Little Girl
MoviePhineas and Ferb: Summer Belongs to You!
2010
as Vanessa Doofenshmirtz (voice)
TVAdventure Time
2010
as Marceline the Vampire Queen (voice)
TVPhineas and Ferb
2007
as Vennesa the Twi'Lek (voice)
TVZoey 101
2005
as Girl #1
TVThe Tracy Morgan Show
2003
as Julia
MovieLove Actually
2003
as Joanna Anderson
