Olivia Olson

Acting • 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.

Known For

7.9

Phineas and Ferb

2007

8.5

Adventure Time

2010

7.0

Fast & Furious Spy Racers

2019

8.7

Adventure Time: Fionna and Cake

2023

7.2

Phineas and Ferb the Movie: Candace Against the Universe

2020

8.9

Adventure Time: Side Quests

2026

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Filmography

2026
Adventure Time: Side QuestsTV
Marceline (voice) • 20 episodes
★ 8.9
2025
Teller's CampFilm
Sadie O'Leary
★ 5.2
2023
Adventure Time: Fionna and CakeTV
Marceline / Celine (voice) • 3 episodes
★ 8.7
2023
Adventure Time: Fionna and CakeTV
Marceline (voice) • 6 episodes
★ 8.7
2022
We Baby BearsTV
Ursa (voice) • 2 episodes
★ 7.3
2022
We Baby BearsTV
Pegasus / Employee / Goblin (voice) • 1 episodes
★ 7.3
2022
We Baby BearsTV
Ursa / Young Cassi (voice) • 1 episodes
★ 7.3
2022
We Baby BearsTV
Ursa / Voice on TV (voice) • 1 episodes
★ 7.3
2022
We Baby BearsTV
Pegasus (voice) • 1 episodes
★ 7.3
2022
The Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer SpecialFilm
Self
★ 7.0
2020
Adventure Time: Distant LandsTV
Marceline the Vampire Queen / Additional Voices (voice) • 1 episodes
★ 8.2
2020
Phineas and Ferb the Movie: Candace Against the UniverseFilm
Vanessa Doofenshmirtz (voice)
★ 7.2
2020
The GloriasFilm
Susanne Steinem (uncredited)
★ 6.5
2020
GrapefruitFilm
Grapefruit
2019
Fast & Furious Spy RacersTV
PizzaRave (voice) • 1 episodes
★ 7.0
2019
Fast & Furious Spy RacersTV
Jun • 1 episodes
★ 7.0
2019
Fast & Furious Spy RacersTV
Guard (voice) • 1 episodes
★ 7.0
2019
Fast & Furious Spy RacersTV
Jun (voice) • 3 episodes
★ 7.0
2019
Fast & Furious Spy RacersTV
PizzaRave / Jun (voice) • 1 episodes
★ 7.0
2017
Red Nose Day ActuallyFilm
Joanna
★ 7.0
2017
The Powerpuff Girls: The Power Of FourFilm
Bliss (voice)
2016
Milo Murphy's LawTV
Vanessa Doofenshmirtz (voice) • 1 episodes
★ 7.4
2016
The Powerpuff GirlsTV
Bliss (voice) • 6 episodes
★ 5.0
2014
Phineas and Ferb: Star WarsFilm
Vanessa the Twi'Lek (voice)
★ 7.1
2013
Steven UniverseTV
Pop Singer (voice) • 1 episodes
★ 8.4
2012
Adventure Time: Fun with Finn and JakeFilm
Marceline the Vampire Queen (voice)
2012
Voice OverFilm
Little Girl
2010
Adventure TimeTV
Marceline the Vampire Queen (voice) • 279 episodes
★ 8.5
2010
Phineas and Ferb Summer Belongs to you !Film
Vanessa Doofenshmirtz
2007
Phineas and FerbTV
Vennesa the Twi'Lek (voice) • 1 episodes
★ 7.9
2007
Phineas and FerbTV
Vanessa Doofenshmirtz (voice) • 21 episodes
★ 7.9
2007
Phineas and FerbTV
Tink (voice) / Crash (singing voice) • 1 episodes
★ 7.9
2005
Zoey 101TV
Girl #1 • 1 episodes
★ 8.1
2003
Love ActuallyFilm
Joanna Anderson
★ 7.1
2003
The Tracy Morgan ShowTV
Julia • 1 episodes
★ 8.8