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.
Filmography (23 titles)
6.0ShowAdventure Time: Side Quests
Marceline (voice) · 2026
8.6ShowAdventure Time: Fionna and Cake
Marceline / Celine (voice) · 2023
7.0MovieThe Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special
Self · 2022
7.3ShowWe Baby Bears
Ursa (voice) · 2022
6.4MovieThe Glorias
Susanne Steinem (uncredited) · 2020
MovieGrapefruit
Grapefruit · 2020
8.2ShowAdventure Time: Distant Lands
Marceline the Vampire Queen / Additional Voices (voice) · 2020
7.2MoviePhineas and Ferb the Movie: Candace Against the Universe
Vanessa Doofenshmirtz (voice) · 2020
7.0ShowFast & Furious Spy Racers
PizzaRave (voice) · 2019
7.0MovieRed Nose Day Actually
Joanna · 2017
5.1ShowThe Powerpuff Girls
Bliss (voice) · 2016
8.0MoviePhineas and Ferb: Last Day of Summer
Vanessa (voice) · 2015
7.9MoviePhineas and Ferb: Night of the Living Pharmacists
Vanessa Doofenshmirtz (voice) · 2014
7.2MoviePhineas and Ferb: Star Wars
Vanessa the Twi'Lek (voice) · 2014
8.4ShowSteven Universe
Pop Singer (voice) · 2013
MovieAdventure Time: Fun With Finn And Jake
Marceline the Vampire Queen (voice) · 2012
MovieVoice Over
Little Girl · 2012
7.8MoviePhineas and Ferb: Summer Belongs to You!
Vanessa Doofenshmirtz (voice) · 2010
8.5ShowAdventure Time
Marceline the Vampire Queen (voice) · 2010
7.9ShowPhineas and Ferb
Vennesa the Twi'Lek (voice) · 2007
8.1ShowZoey 101
Girl #1 · 2005
10.0ShowThe Tracy Morgan Show
Julia · 2003
7.1MovieLove Actually
Joanna Anderson · 2003