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.
I know, I know, I have too many. But this is like cinematic universe. Suggest voice actors, or actors with suitable voices. Human characters can be live action
Note : this has nothing to do with the new movies
