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.
12 movies · 11 shows
The Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special
2022·7.0
The Glorias
2020·6.5
Grapefruit
2020·0.0
Phineas and Ferb the Movie: Candace Against the Universe
2020·7.2
Red Nose Day Actually
2017·7.0
Phineas and Ferb: Last Day of Summer
2015·8.0
Phineas and Ferb: Night of the Living Pharmacists
2014·7.9
Phineas and Ferb: Star Wars
2014·7.2
Adventure Time: Fun with Finn and Jake
2012·0.0
Voice Over
2012·0.0
Phineas and Ferb: Summer Belongs to You!
2010·7.8
Love Actually
2003·7.1