Olivia Olson

American actress and singer

Olivia Rose Olson (born May 21, 1992) is an American actress and singer-songwriter. She is mostly known for her voice roles as Vanessa Doofenshmirtz in Phineas and Ferb and Marceline the Vampire Queen in Adventure Time,[1], Nutri Ventures, Bliss from Craig McCracken's The Powerpuff Girls franchise. She also played the character of Joanna in the 2003 movie Love Actually and its 2017 short sequel Red Nose Day Actually.

Olivia Olson
Olson Stage.jpg
Olson at Magic City ComicCon
Background information
Birth nameOlivia Rose Olson
Born (1992-05-21) May 21, 1992 (age 28)
Los Angeles, California, U.S.
  • Actress
  • singer-songwriter
  • writer
  • voice actress
  • Vocals
  • piano
  • guitar
  • bass
Years active2003–present

Her father is comedy writer Martin Olson.


  1. Bradley, Bill (October 27, 2014). "8 Facts You Didn't Know About 'Adventure Time,' Even If You Were Born In Ooo". The Huffington Post. Retrieved February 3, 2015.

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