Olivia Olson
Known for
Acting
Born
May 21, 1992 (age 34)
Birthplace
Los 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.
Best known work
Love Actually
2003
Adventure Time
2010
Fast & Furious Spy Racers
2019
Steven Universe
2013
Zoey 101
2005
Phineas and Ferb
2007
Adventure Time: Distant Lands
2020
Phineas and Ferb the Movie: Candace Against the Universe
2020
Adventure Time: Fionna and Cake
2023
We Baby Bears
2022Filmography
2026
2025
Teller's Campas Sadie O'Leary
2023
Adventure Time: Fionna and CakeTVas Marceline / Celine (voice) (3 episodes), as Marceline (voice) (6 episodes)
2022
2022
We Baby BearsTVas Ursa (voice) (2 episodes), as Pegasus / Employee / Goblin (voice) (1 episode), as Ursa / Young Cassi (voice) (1 episode), as Ursa / Voice on TV (voice) (1 episode), as Pegasus (voice) (1 episode)
2020
The Gloriasas Susanne Steinem (uncredited)
2020
Grapefruitas Grapefruit
2020
Adventure Time: Distant LandsTVas Marceline the Vampire Queen / Additional Voices (voice) (1 episode)
2020
Phineas and Ferb the Movie: Candace Against the Universeas Vanessa Doofenshmirtz (voice)
2019
Fast & Furious Spy RacersTVas Jun (1 episode), as PizzaRave (voice) (1 episode), as Jun (voice) (3 episodes), as Guard (voice) (1 episode), as PizzaRave / Jun (voice) (1 episode)
2017
Red Nose Day Actuallyas Joanna
2016
2014
Phineas and Ferb: Star Warsas Vanessa the Twi'Lek (voice)
2013
2012
Adventure Time: Fun with Finn and Jakeas Marceline the Vampire Queen (voice)
2012
Voice Overas Little Girl
2011
2010
2007
Phineas and FerbTVas Vennesa the Twi'Lek (voice) (1 episode), as Vanessa (voice) (3 episodes), Writer, Story
2005
2003
2003
Love Actuallyas Joanna Anderson