Recurring
Ricardo Chavira as Dan Palmer (season 1), a sheriff's deputy, the Hammonds' neighbor, and Eric's stepfather who is killed by Joel with a shovel and later eaten by Sheila.
Mary Elizabeth Ellis as Lisa Palmer, Dan's wife, Eric's mother, and Sheila's friend.
Andy Richter as Carl Coby, the Hammonds' obnoxious boss.
Richard T. Jones as Rick, a Santa Monica police officer, the Hammonds' neighbor, and Joel's friend.
Joy Osmanski as Alondra, Rick's wife and Sheila's friend.
Kaylee Bryant as Sarah, a classmate of Abby and Eric's.
Nathan Fillion (seasons 1–2) and Alan Tudyk (season 3) as Gary West, a realtor and the Hammonds' co-worker. He is the first person Sheila kills and eats who later turns into a zombie, though only his decayed, severed head remains and is kept by the Hammonds out of guilt.
Natalie Morales as Anne Garcia, a religious sheriff's deputy and Dan's partner who becomes romantically involved with Lisa after Dan goes missing.
Thomas Lennon as Andrei Novak, the principal of Santa Clarita High School.
Ramona Young as Ramona, a wise Rite-Aid employee who turns out to be a zombie.
Sydney Park as Winter, a classmate of Abby and Eric's who is in environmental club with them.
Grace Zabriskie as Mrs. Bakavić (season 1), Novak's Serbian grandmother.
DeObia Oparei as Loki Hayes (season 1), a convicted felon. He turns into a zombie when Sheila is unsuccessful in killing him.
Jonathan Slavin as Ron, an asylum inmate, who was later released and who Joel told his little secret to in season 2. Ron later becomes a zombie in season 3, by forcing Gary to bite him.
Joel McHale as Chris, a realtor who is married to Christa
Maggie Lawson as Christa, a realtor who is married to Chris
Zachary Knighton as Paul (seasons 2–3), Marsha's husband and a descendant of the Knights of Serbia, who has been tasked with ending the zombie outbreak
Jee Young Han as Marsha (season 2), Paul's wife, who is helping him with the mission to end the zombie outbreak
Ethan Suplee as Tommy (season 3), Paul's brother, former Marine Corps sniper, crossbow enthusiast and a descendant of the Knights of Serbia, who has taken over his brother's mission
Shalita Grant as FBI Agent Tess Rogers (season 3), an agent investigating the bombing of the fracking site
Matt Shively as Christian (seasons 2–3), a student at Abby and Eric's school who is also Chris and Christa's son
Linda Lavin as Jean (season 3), a woman Sheila delivers Meals on Wheels to and is later turned into a zombie by Sheila.
Goran Višnjić as Dobrivoje Poplović (season 3), a man who works in Serbia who is transferred to Santa Clarita
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