Olivia Olson
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.
Acted in
Adventure Time: Fionna & Cake
2023
as Marceline (voice)
The Laughter & Secrets of 'Love Actually': 20 Years Later
2022
as Self
We Baby Bears
2022
as Ursa (voice)
We Baby Bears
2022
as Pegasus / Employee / Goblin (voice)
The Glorias
2020
as Susanne Steinem (uncredited)
Grapefruit
2020
as Grapefruit
Phineas and Ferb the Movie: Candace Against the Universe
2020
as Vanessa Doofenshmirtz (voice)
Adventure Time: Distant Lands
2020
as Marceline (voice)
Fast & Furious Spy Racers
2019
as Devora Pizza
Fast & Furious Spy Racers
2019
as Jun
Fast & Furious Spy Racers
2019
as Guard (voice)
Fast & Furious Spy Racers
2019
as Jun (voice)
Fast & Furious Spy Racers
2019
as PizzaRave / Jun (voice)
Red Nose Day Actually
2017
as Joanna
The Powerpuff Girls
2016
as Bliss (voice)
Phineas and Ferb: Last Day of Summer
2015
as Vanessa (voice)
Phineas and Ferb: Night of the Living Pharmacists
2014
as Vanessa Doofenshmirtz (voice)
Phineas and Ferb: Star Wars
2014
as Vanessa the Twi'Lek (voice)
Steven Universe
2013
as Pop Singer (voice)
Voice Over
2012
as Little Girl
Phineas and Ferb: Summer Belongs to You!
2010
as Vanessa Doofenshmirtz (voice)
Adventure Time
2010
as Marceline the Vampire Queen (voice)
Zoey 101
2005
as Girl #1
The Tracy Morgan Show
2003
as Julia
Love Actually
2003
as Joanna Anderson