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.
as Pop Singer (voice)
as Marceline the Vampire Queen (voice)
2010
as Vennesa the Twi'Lek (voice)
2007
as Pop Singer (voice)
2013
as Ursa (voice)
2022
as Marceline / Celine (voice)
2023
as Girl #1
2005
as PizzaRave (voice)
2019
as Bliss (voice)
2016
as Joanna Anderson
2003
as Marceline the Vampire Queen / Additional Voices (voice)
2020
as Julia
2003
as Vanessa Doofenshmirtz (voice)
2020
as Grapefruit
2020
as Self
2022
as Susanne Steinem (uncredited)
2020
as Grapefruit
2020
as Vanessa Doofenshmirtz (voice)
2020
as Joanna
2017
as Vanessa (voice)
2015
as Vanessa Doofenshmirtz (voice)
2014
as Vanessa the Twi'Lek (voice)
2014
as Marceline the Vampire Queen (voice)
2012
as Little Girl
2012
as Vanessa Doofenshmirtz (voice)
2010
as Joanna Anderson
2003
as Pop Singer (voice)
1 ep.
as Marceline the Vampire Queen (voice)
279 episodes
as Vennesa the Twi'Lek (voice)
1 episodes
as Pop Singer (voice)
1 episodes
as Ursa (voice)
2 episodes
as Marceline / Celine (voice)
3 episodes
as Girl #1
1 episodes
as PizzaRave (voice)
1 episodes
as Bliss (voice)
6 episodes
as Marceline the Vampire Queen / Additional Voices (voice)
1 episodes
as Julia
1 episodes
as Marceline (voice)
6 episodes