[4] The series stars Rose McIver as medical examiner Olivia Moore, Malcolm Goodwin as police officer Clive Babineaux, David Anders as criminal and brain-dealer Blaine DeBeers.

[5][6][7] Multiple characters recurred and were subsequently promoted to series regular including Aly Michalka, Robert Knepper, and Bryce Hodgson.

After rising from her grave as a zombie with scattered memories of her past, Gwen takes up residence in her graveyard's crypt, taking a job as a gravedigger so she could have access to the brains required every 30 days to stave off mindlessness by absorbing residue soul essence (in-doing so inheriting parts of the deceased's thoughts and memories), and befriending a local ghost named Ellie and were-terrier named Scott.

Several years after becoming a zombie, Gwen learns she was resurrected by local mummy John Amon, seeking her assistance in preventing the dark god Xitalu from consuming the souls of everyone on Earth.

Ellie subsequently befriends a were-terrier named Scott and local mummy John Amon, the latter of whom teaches her how to possess people.

Upon being informed by her species by Diogenes and criticized for not being able to immediately recognise her as a zombie, Horatio is initially taken aback, before deciding to continue to date Gwen.

Resurrecting Gwen Dylan as a zombie for the purposes of using her abilities to prevent the dark god Xitalu from consuming the souls of everyone on Earth, Amon also seeks to cure his wife Ubasti of her were-jaguar nature, which leaves her confined to leopard form for every day of the year but one.

Shortly afterward, Claire is resurrected by Galatea, serving as her lab assistant in preparing for the arrival of Xitalu, before calling a truce with Nemia in order to join their forces together.

A former medical resident who became a zombie when she attended a boat party that was attacked by people who had just taken a new designer drug called "Utopium" while also consuming the Max Rager energy drink.

Clive Babineaux (portrayed by Malcolm Goodwin) is a Seattle PD detective, newly transferred from vice to homicide when the series starts, who gets Liv's help to solve crimes.

In the second season, Clive begins dating FBI agent Dale Bozzio, with whom he investigates the "Chaos Killer" disappearances in addition to his cases with Liv.

After Bozzio arrests Major, Liv is forced to tell him she is a zombie and that her "psychic skills" are actually a side effect from eating the brains of the victims.

[13] In the third season, Clive receives his own story arc; as he is galvanized to investigate the murder of a family he was close to, and who were revealed to have become zombies affiliated with Fillmore-Graves.

Ravi Chakrabarti (portrayed by Rahul Kohli) is a medical examiner, Liv's best friend and boss, and Major's eventual roommate.

]"[14] In the fourth-season premiere it is revealed that the vaccine was not completely effective, and that Ravi suffers from periodic flare-ups during which he temporarily becomes a zombie for a few days before reverting into a human.

Despite being deluded into committing himself to an asylum for a week after multiple confrontations with the "Candyman," he continues his investigation after his release—having gained fresh evidence while inside.

While he is named the "Chaos Killer" by the press, Major secretly defies MR orders, and freezes his targets toward their potential future cure.

Though his ruse is eventually discovered, he volunteers to become a zombie again in the third-season finale, after his peers and his girlfriend Natalie are killed by Harley Johns.

[12] Blaine was incidentally turned into a zombie by Liv when she threw her Max Rager drink in his face, after he attempted to grope her while high on the Utopium.

His base of operations in the first season is a local butcher shop from which he runs a home delivery service of gourmet prepared brain meals for wealthy zombie customers.

Desiring to become Seattle's new kingpin; he strong arms his client and district attorney Floyd Baracus to pursue a case against crime lord Stacey Boss, Blaine's former employer.

After this status quo carries into the third season, it is revealed the amnesia was only temporary and that the character feigned memory loss in an attempt to change his life and how people viewed him, in the process finding a fresh start and happiness with Peyton.

"[16] This holds true as Blaine continues to feed Seattle's zombies during the starvation crisis, and does under the table work for Chase Graves.

However, the character largely returns to his villainous roots; being revealed as the thief who stole the zombie cure and killing Floyd Baracus to display it is effectiveness before auctioning it off.

He also contests with the return of Angus, who had been driven mad in the well and becomes an evangelical zombie cult leader who wishes to make amends with his son.

In the fourth-season finale, he is given a full pardon by Major and becomes the sole brain provider for New Seattle, with his debts waived and the opportunity to become a hero to zombiekind.

While making a case against crime lord Stacey Boss, she grew close to Blaine and slept with him before learning that he turned Liv into a zombie.

After visiting him to clear the air following a disagreement involving Blaine, the two share a kiss, with Peyton realizing Ravi had a one-night stand with Katty Kupps; who was still present in his home.

Half of the prosecutors working in Seattle escaped the city before the wall went up, and Peyton will get called in on occasion to fill in when the case load becomes such that they need an extra hand.

Donald "Don E." Eberhard (portrayed by Bryce Hodgson) is a drug dealer and associate of Blaine who helps him track down boat party Utopium for Ravi's cure, while also assisting him in his professional and criminal endeavors.