Olivia Olson
- Known for
- Acting
- Born
- May 21, 1992 (age 34)
- Place of birth
- Los Angeles, California, USA
- Credits
- 21
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.
Known for
Love Actually
2003Movie
Joanna Anderson
Adventure Time
2010TV
Marceline the Vampire Queen (voice)
Fast & Furious Spy Racers
2019TV
Jun, PizzaRave (voice), Jun (voice), Guard (voice), PizzaRave / Jun (voice)
Steven Universe
2013TV
Pop Singer (voice)
Zoey 101
2005TV
Girl #1
Phineas and Ferb
2007TV
Vennesa the Twi'Lek (voice), Vanessa (voice)
Filmography
Adventure Time: Side Quests
2026TV
Marceline (voice)
Teller's Camp
2025Movie
Sadie O'Leary
Adventure Time: Fionna and Cake
2023TV
Marceline / Celine (voice), Marceline (voice)
The Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special
2022Movie
Self
We Baby Bears
2022TV
Ursa (voice), Pegasus / Employee / Goblin (voice), Ursa / Young Cassi (voice), Ursa / Voice on TV (voice), Pegasus (voice)
The Glorias
2020Movie
Susanne Steinem (uncredited)
Grapefruit
2020Movie
Grapefruit
Adventure Time: Distant Lands
2020TV
Marceline the Vampire Queen / Additional Voices (voice)
Phineas and Ferb the Movie: Candace Against the Universe
2020Movie
Vanessa Doofenshmirtz (voice)
Fast & Furious Spy Racers
2019TV
Jun, PizzaRave (voice), Jun (voice), Guard (voice), PizzaRave / Jun (voice)
Red Nose Day Actually
2017Movie
Joanna
The Powerpuff Girls
2016TV
Bliss (voice)
Phineas and Ferb: Star Wars
2014Movie
Vanessa the Twi'Lek (voice)
Steven Universe
2013TV
Pop Singer (voice)
Adventure Time: Fun with Finn and Jake
2012Movie
Marceline the Vampire Queen (voice)
Voice Over
2012Movie
Little Girl
Adventure Time
2010TV
Marceline the Vampire Queen (voice)
Phineas and Ferb
2007TV
Vennesa the Twi'Lek (voice), Vanessa (voice)
Zoey 101
2005TV
Girl #1
The Tracy Morgan Show
2003TV
Julia
Love Actually
2003Movie
Joanna Anderson