Olivia Olson
Acting1992Los Angeles, California, USA
Biography
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
Love Actually
Joanna Anderson
Adventure Time
Marceline the Vampire Queen (voice)
Fast & Furious Spy Racers
PizzaRave / Jun (voice)
Steven Universe
Pop Singer (voice)
Zoey 101
Girl #1
Phineas and Ferb
Vanessa (voice)
Adventure Time: Distant Lands
Marceline the Vampire Queen / Additional Voices (voice)
Phineas and Ferb the Movie: Candace Against the Universe
Vanessa Doofenshmirtz (voice)
Acting History
2025
Adventure Time: Fionna & Cake
TVas Marceline (voice)• 6 eps
Phineas and Ferb
TVWriter• 6 eps
Phineas and Ferb
TVStory• 2 eps
2022
We Baby Bears
TVas Pegasus (voice)• 1 eps
2020
Phineas and Ferb the Movie: Candace Against the Universe
as Vanessa Doofenshmirtz (voice)
My Life on the Road
as Susanne Steinem (uncredited)
Grapefruit
as Grapefruit
Adventure Time: Distant Lands
TVas Marceline the Vampire Queen / Additional Voices (voice)• 1 eps
2019
Fast & Furious Spy Racers
TVas PizzaRave / Jun (voice)• 1 eps
2017
Red Nose Day Actually
as Joanna
The Powerpuff Girls
TVas Bliss (voice)• 6 eps
2015
Phineas and Ferb: Last Day of Summer
as Vanessa (voice)
Steven Universe
TVas Pop Singer (voice)• 1 eps
2014
Phineas and Ferb: Night of the Living Pharmacists
as Vanessa Doofenshmirtz (voice)
Phineas and Ferb: Star Wars
as Vanessa the Twi'Lek (voice)
2012
Voice Over
as Little Girl
2010
Phineas and Ferb: Summer Belongs to You!
as Vanessa Doofenshmirtz (voice)
Adventure Time
TVas Marceline the Vampire Queen (voice)• 279 eps
2008
Phineas and Ferb
TVas Vanessa (voice)• 3 eps
2006
Zoey 101
TVas Girl #1• 1 eps
2003
Love Actually
as Joanna Anderson