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.
23 acting credits
Acting · 23
Phineas and Ferb
2007
Adventure Time
2010
Steven Universe
2013
Adventure Time: Fionna and Cake
2023
We Baby Bears
2022
Zoey 101
2005
Fast & Furious Spy Racers
2019
The Powerpuff Girls
2016
Love Actually
2003
Adventure Time: Distant Lands
2020
The Tracy Morgan Show
2003
Phineas and Ferb the Movie: Candace Against the Universe
2020
Red Nose Day Actually
2017
Phineas and Ferb: Star Wars
2014
The Glorias
2020
Phineas and Ferb: Night of the Living Pharmacists
2014
Adventure Time: Side Quests
2026
Phineas and Ferb: Summer Belongs to You!
2010
Phineas and Ferb: Last Day of Summer
2015
The Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special
2022
Voice Over
2012
Adventure Time: Fun With Finn And Jake
2012
Grapefruit
2020