Olivia Olson

Olivia Olson established herself as a television actor by lending her voice to iconic animated characters. She is widely recognized for her long-running portrayal of Vanessa Doofenshmirtz in the Disney Channel series Phineas and Ferb, appearing in over 100 episodes. Olson also voiced Marceline the Vampire Queen across Cartoon Network's Adventure Time, a role she continued in the HBO Max limited series Adventure Time: Distant Lands, showcasing her enduring presence in animation for over a decade.