
Olivia Olson
Born
May 21, 1992 (33 years old)
Known For
Acting
Place of Birth
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

Adventure Time: Fionna & Cake
Marceline (voice) · (2 episodes)
2023

The Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special
Self
2022

We Baby Bears
Ursa (voice) · (2 episodes)
2022

We Baby Bears
Pegasus / Employee / Goblin (voice) · (1 episode)
2022

We Baby Bears
Ursa / Young Cassi (voice) · (1 episode)
2022

We Baby Bears
Ursa / Voice on TV (voice) · (1 episode)
2022

We Baby Bears
Pegasus (voice) · (1 episode)
2022

The Glorias
Susanne Steinem (uncredited)
2020

Grapefruit
Grapefruit
2020

Phineas and Ferb the Movie: Candace Against the Universe
Vanessa Doofenshmirtz (voice)
2020

Adventure Time: Distant Lands
Marceline (voice) · (1 episode)
2020

Fast & Furious Spy Racers
PizzaRave (voice) · (1 episode)
2019

Fast & Furious Spy Racers
Jun · (1 episode)
2019

Fast & Furious Spy Racers
Guard (voice) · (1 episode)
2019

Fast & Furious Spy Racers
Jun (voice) · (3 episodes)
2019

Fast & Furious Spy Racers
PizzaRave / Jun (voice) · (1 episode)
2019

Red Nose Day Actually
Joanna
2017

The Powerpuff Girls
Bliss (voice) · (6 episodes)
2016

Phineas and Ferb: Last Day of Summer
Vanessa (voice)
2015

Phineas and Ferb: Night of the Living Pharmacists
Vanessa Doofenshmirtz (voice)
2014

Phineas and Ferb: Star Wars
Vanessa the Twi'Lek (voice)
2014

Steven Universe
Pop Singer (voice) · (1 episode)
2013

Voice Over
Little Girl
2012

Phineas and Ferb: Summer Belongs to You!
Vanessa Doofenshmirtz (voice)
2010

Adventure Time
Marceline the Vampire Queen (voice) · (279 episodes)
2010

Zoey 101
Girl #1 · (1 episode)
2005

The Tracy Morgan Show
Julia · (1 episode)
2003

Love Actually
Joanna Anderson
2003