Main •
Christina Applegate as Jen Harding, a realtor whose husband Ted was killed by a hit-and-run driver shortly before the start of the series •
Linda Cardellini as Judy Hale, a woman Jen meets at a grief support group who befriends her. •
James Marsden as • Steve Wood (season 1), Judy's emotionally abusive ex-fiancé, an attorney involved with the Greek Mafia • Ben Wood (seasons 2–3), Steve's
semi-identical twin brother, a chiropractor, and Jen's new love interest •
Max Jenkins as Christopher Doyle (seasons 1–2, recurring season 3), Jen's real estate business partner and friend •
Sam McCarthy as Charlie Harding, Jen's older son • Luke Roessler as Henry Harding, Jen's younger son
Recurring •
Diana-Maria Riva as Ana Perez, the police detective in charge of the hit-and-run case •
Brandon Scott as Nick Prager, a police detective on administrative leave whom Judy meets at the grieving retreat •
Valerie Mahaffey as Lorna Harding, Jen's mother-in-law and Ted's mother •
Natalie Morales as Michelle (seasons 2–3), Judy's love interest and Ana's ex-girlfriend •
Ed Asner as Abe Rifkin (season 1), Judy's friend from the retirement home where she works •
Keong Sim as Pastor Wayne, Jen and Judy's grief support group leader •
Telma Hopkins as Yolanda, a member of the grief support group •
Sadie Stanley as Parker (season 2), Charlie's brief love interest and self-proclaimed social media micro-influencer • Haley Sims as Kayley, Steve's assistant • Blair Beeken as Wendy, a member of the grief support group • Edward Fordham Jr. as Kyle, a member of the grief support group •
Frances Conroy as Eileen Wood (seasons 2–3), Steve and Ben's mother •
Suzy Nakamura as Karen, Jen's neighbor, who is obsessed with protecting her house and preparing for the apocalypse. •
Jere Burns as Howard Hastings (season 2), a corrupt police chief who is working with the Greek Mafia •
Garret Dillahunt as Glenn Moranis (season 3), an
FBI agent who is investigating Steve's death and ties to the Greek Mafia
Guest • Olivia Macklin as Bambi (season 1), a waitress and Ted's mistress •
Steve Howey as Jason (season 1), a widower Jen meets at a grief retreat •
Tara Karsian as Erica Brewer (season 1), Charlie's principal • Lily Knight as Linda, a member of the grief support group •
Tom Virtue as Doug (season 1), a potential client of Jen's •
Beth Littleford as Doug's wife (season 1) • Adora Soleil Bricher as Shandy Adams, a girl in Henry's class who finds Ted's body • Chelsea Spack as Heidi (seasons 1-2), Steve's new girlfriend, and employee at TKG Arts •
Rick Holmes as Andrew Peters (seasons 1-2), a man Jen suspects of killing her husband •
Marc Evan Jackson as Jeff (seasons 2–3), Karen's husband who is gay and having an affair •
Katey Sagal as Eleanor Hale (seasons 2–3), Judy's drug-addicted and emotionally abusive mother •
Nicolas Coster as Jim Wood (season 3), Steve and Ben's father ==Episodes==