Skip to content

Biography · Music

Olivia Olson

1992–

United States

Source image for Olivia OlsonLoading image…
Visit the source record ↗

Biography

Olivia Olson (born May 21, 1992) is an American actress, singer-songwriter, and screenwriter, largely 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. Along with this, she is also a writer, having written the Boom! Studios graphic novel Marcy and Simon, co-authored Adventure Time: The Enchiridion and Marcy's Super-Secret Scrapbook, and contributed writing to the best-seller Adventure Time Encyclopedia for Cartoon Network. In 2023, she began writing for the Phineas and Ferb revival.

Sources & collection details

Wikipedia contributors — original record ↗

Black heritage reference ↗

Biography text · CC BY-SA 4.0 · Source checked 2026-10-20

Continue exploring Series 1

Arts, Music & Culture →

Explore all Series 1 cards →

Keep exploring