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.
2010 • TV
2007 • TV
2007 • TV
2013 • TV
2003 • Movie
2012 • Movie
as Joanna Anderson
as Little Girl
as Joanna
as Vanessa Doofenshmirtz (voice)
as Grapefruit
as Vanessa the Twi'Lek (voice)
as Susanne Steinem (uncredited)
as Vanessa Doofenshmirtz (voice)
as Vanessa Doofenshmirtz (voice)
as Vanessa (voice)
as Self
as Marceline (voice)
as Marceline the Vampire Queen (voice)
279 episodes
as Vennesa the Twi'Lek (voice)
1 episodes
as Vanessa (voice)
3 episodes
as Pop Singer (voice)
1 episodes
as Marceline / Celine (voice)
3 episodes
as Marceline (voice)
6 episodes
as Girl #1
1 episodes
as Ursa (voice)
2 episodes
as Pegasus / Employee / Goblin (voice)
1 episodes
as Ursa / Young Cassi (voice)
1 episodes
as Ursa / Voice on TV (voice)
1 episodes
as Pegasus (voice)
1 episodes
as Bliss (voice)
6 episodes
as PizzaRave (voice)
1 episodes
as Jun
1 episodes
as Guard (voice)
1 episodes
as Jun (voice)
3 episodes
as PizzaRave / Jun (voice)
1 episodes
as Marceline the Vampire Queen / Additional Voices (voice)
1 episodes
as Julia
1 episodes
Writer
