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Olivia Olson
Actor · Writer · 18 credits
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.
All Work
Teller's Camp
2025
Sadie O'Leary
The Glorias
2020
Susanne Steinem (uncredited)
Grapefruit
2020
Grapefruit
Phineas and Ferb the Movie: Candace Against the Universe
2020
Vanessa Doofenshmirtz (voice)
Phineas and Ferb: Star Wars
2014
Vanessa the Twi'Lek (voice)
Adventure Time: Fun with Finn and Jake
2012
Marceline the Vampire Queen (voice)
Voice Over
2012
Little Girl
Love Actually
2003
Joanna Anderson