Biography

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

Love Actually

Joanna Anderson

Phineas and Ferb the Movie: Candace Against the Universe

Vanessa Doofenshmirtz (voice)

The Glorias

Susanne Steinem (uncredited)

Phineas and Ferb: Star Wars

Vanessa the Twi'Lek (voice)

Red Nose Day Actually

Joanna

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

Self

Adventure Time: Fun with Finn and Jake

Marceline the Vampire Queen (voice)

Voice Over

Little Girl