Olivia Olson

Known for: Acting

Born: 1992-05-21 (age 34)

From: 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.

Filmography (22)

TV★ 9.0
Adventure Time: Side Quests
2026
as Marceline (voice)
MOVIE★ 5.2
Teller's Camp
2025
as Sadie O'Leary
TV★ 8.7
Adventure Time: Fionna and Cake
2023
as Marceline / Celine (voice)
MOVIE★ 7.0
The Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special
2022
as Self
TV★ 7.3
We Baby Bears
2022
as Ursa (voice)
MOVIE★ 6.5
The Glorias
2020
as Susanne Steinem (uncredited)
MOVIE
Grapefruit
2020
as Grapefruit
TV★ 8.2
Adventure Time: Distant Lands
2020
as Marceline the Vampire Queen / Additional Voices (voice)
MOVIE★ 7.2
Phineas and Ferb the Movie: Candace Against the Universe
2020
as Vanessa Doofenshmirtz (voice)
TV★ 7.0
Fast & Furious Spy Racers
2019
as Jun
MOVIE★ 7.0
Red Nose Day Actually
2017
as Joanna
TV★ 5.0
The Powerpuff Girls
2016
as Bliss (voice)
MOVIE★ 7.1
Phineas and Ferb: Star Wars
2014
as Vanessa the Twi'Lek (voice)
TV★ 8.4
Steven Universe
2013
as Pop Singer (voice)
MOVIE
Adventure Time: Fun with Finn and Jake
2012
as Marceline the Vampire Queen (voice)
MOVIE
Voice Over
2012
as Little Girl
TV★ 8.5
Adventure Time
2010
as Marceline the Vampire Queen (voice)
MOVIE
Phineas and Ferb Summer Belongs to you !
2010
as Vanessa Doofenshmirtz
TV★ 7.9
Phineas and Ferb
2007
as Vennesa the Twi'Lek (voice)
TV★ 8.1
Zoey 101
2005
as Girl #1
TV★ 8.8
The Tracy Morgan Show
2003
as Julia
MOVIE★ 7.1
Love Actually
2003
as Joanna Anderson