Olivia Olson
Actor
Born May 21, 1992 in 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.
Filmography
Adventure Time: Side Quests
Marceline (voice)
Adventure Time: Fionna and Cake
Marceline / Celine (voice)
The Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special
Self
We Baby Bears
Ursa (voice)
The Glorias
Susanne Steinem (uncredited)
Grapefruit
Grapefruit
Adventure Time: Distant Lands
Marceline the Vampire Queen / Additional Voices (voice)
Phineas and Ferb the Movie: Candace Against the Universe
Vanessa Doofenshmirtz (voice)
Fast & Furious Spy Racers
PizzaRave (voice)
Red Nose Day Actually
Joanna
The Powerpuff Girls
Bliss (voice)
Phineas and Ferb: Last Day of Summer
Vanessa (voice)
Phineas and Ferb: Night of the Living Pharmacists
Vanessa Doofenshmirtz (voice)
Phineas and Ferb: Star Wars
Vanessa the Twi'Lek (voice)
Steven Universe
Pop Singer (voice)
Adventure Time: Fun With Finn And Jake
Marceline the Vampire Queen (voice)
Voice Over
Little Girl
Phineas and Ferb: Summer Belongs to You!
Vanessa Doofenshmirtz (voice)
Adventure Time
Marceline the Vampire Queen (voice)
Phineas and Ferb
Vennesa the Twi'Lek (voice)
Zoey 101
Girl #1
The Tracy Morgan Show
Julia
Love Actually
Joanna Anderson