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Olivia Olson

Acting Born 21 May 1992 — 34.205009795277 years old Los Angeles, California, USA

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.

Latest credit Adventure Time: Side Quests (2026)

As actor

12 titles

The Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special poster

DOC Watched In progress

The Laughter & Secrets of Love Actually: 20 Years Later – A Diane Sawyer Special

2022 · 41 min

Grapefruit poster

MOVIE Watched In progress

Grapefruit

2020 · 10 min

Phineas and Ferb the Movie: Candace Against the Universe poster

MOVIE Watched In progress

Phineas and Ferb the Movie: Candace Against the Universe

2020 · 86 min

Red Nose Day Actually poster

MOVIE Watched In progress

Red Nose Day Actually

2017 · 15 min

Phineas and Ferb: Last Day of Summer poster

MOVIE Watched In progress

Phineas and Ferb: Last Day of Summer

2015 · 44 min

Phineas and Ferb: Night of the Living Pharmacists poster

MOVIE Watched In progress

Phineas and Ferb: Night of the Living Pharmacists

2014 · 45 min

Phineas and Ferb: Star Wars poster

MOVIE Watched In progress

Phineas and Ferb: Star Wars

2014 · 51 min

Adventure Time: Fun With Finn And Jake poster

MOVIE Watched In progress

Adventure Time: Fun With Finn And Jake

2012 · 75 min

Voice Over poster

MOVIE Watched In progress

Voice Over

2012 · 13 min

Phineas and Ferb: Summer Belongs to You! poster

MOVIE Watched In progress

Phineas and Ferb: Summer Belongs to You!

2010 · 44 min

Adventure Time: Side Quests SERIES Watched In progress

Adventure Time: Side Quests

2026

Adventure Time poster

SERIES Watched In progress

Adventure Time

2010 · 11 min