Acting

Olivia Olson

Born 1992-05-21 · 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.

Credits

Newest first

Adventure Time: Side Quests
as Marceline (voice)
2026
Teller's Camp
as Sadie O'Leary
2025
Adventure Time: Fionna and Cake
as Marceline / Celine (voice)
2023
Adventure Time: Fionna and Cake
as Marceline (voice)
2023
The Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special
as Self
2022
We Baby Bears
as Ursa (voice)
2022
We Baby Bears
as Pegasus / Employee / Goblin (voice)
2022
We Baby Bears
as Ursa / Young Cassi (voice)
2022
We Baby Bears
as Ursa / Voice on TV (voice)
2022
We Baby Bears
as Pegasus (voice)
2022
The Glorias
as Susanne Steinem (uncredited)
2020
Grapefruit
as Grapefruit
2020
Adventure Time: Distant Lands
as Marceline the Vampire Queen / Additional Voices (voice)
2020
Phineas and Ferb the Movie: Candace Against the Universe
as Vanessa Doofenshmirtz (voice)
2020
Fast & Furious Spy Racers
as PizzaRave (voice)
2019
Fast & Furious Spy Racers
as Jun
2019
Fast & Furious Spy Racers
as Guard (voice)
2019
Fast & Furious Spy Racers
as Jun (voice)
2019
Fast & Furious Spy Racers
as PizzaRave / Jun (voice)
2019
Red Nose Day Actually
as Joanna
2017
The Powerpuff Girls
as Bliss (voice)
2016
Phineas and Ferb: Star Wars
as Vanessa the Twi'Lek (voice)
2014
Steven Universe
as Pop Singer (voice)
2013
Adventure Time: Fun with Finn and Jake
as Marceline the Vampire Queen (voice)
2012
Voice Over
as Little Girl
2012
Inanimate Insanity
Lyricist
2011
Inanimate Insanity
Songs
2011
Adventure Time
as Marceline the Vampire Queen (voice)
2010
Phineas and Ferb
as Vennesa the Twi'Lek (voice)
2007
Phineas and Ferb
as Vanessa (voice)
2007
Phineas and Ferb
Writer
2007
Phineas and Ferb
Story
2007
Zoey 101
as Girl #1
2005
The Tracy Morgan Show
as Julia
2003
Love Actually
as Joanna Anderson
2003