Olivia Olson
Acting
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
2022The Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special
Self
2020Phineas and Ferb the Movie: Candace Against the Universe
Vanessa Doofenshmirtz (voice)
2020Grapefruit
Grapefruit
2020The Glorias
Susanne Steinem (uncredited)
2017Red Nose Day Actually
Joanna
2015Phineas and Ferb: Last Day of Summer
Vanessa (voice)
2014Phineas and Ferb: Night of the Living Pharmacists
Vanessa Doofenshmirtz (voice)
2014Phineas and Ferb: Star Wars
Vanessa the Twi'Lek (voice)
2012Voice Over
Little Girl
2010Phineas and Ferb: Summer Belongs to You!
Vanessa Doofenshmirtz (voice)
2003Love Actually
Joanna Anderson