Olivia "Liv" Moore, M.D. is the main protagonist of iZombie. She is a medical resident who died and woke up as a zombie. As a result, at least once a month, she must feed on brains to survive. She took a job at the King County Medical Examiner's Office in order to have access to the brains she needs. With each brain eaten, she absorbs new memories and traits. She then begins to solve the deaths of the victims whose brains she's eaten. She also turns to Seattle PD DetectiveClive Babineaux who used to think the visions were Liv's psychic powers,but now knows she is a zombie.
Olivia is a member of the Moore family.
She is portrayed by New Zealand actress Rose McIver.