Main •
Juliet Rylance as Alison Hawthorne-Price the
bisexual eldest sister of the family who is running for mayor •
Antony Starr as Garrett Hawthorne the mysterious
prodigal eldest brother who has returned from a 14-year absence • Micheal Doonan as Young Garrett Hawthorne •
Justin Chatwin as Cameron "Cam" Hawthorne the younger brother, a cartoonist and recovering drug addict, and husband of Sophie and father of Jack •
Megan Ketch as Tessa Ross wife of Mitch and mother of Alison, Garrett, Tessa, and Cam
Recurring •
Enrico Colantoni as Mayor Conley, the incumbent candidate Alison is running against in the upcoming election, a former safety inspector •
Jamey Sheridan as Mitch Hawthorne, husband of Madeline, father of Alison, Garrett, Tessa, and Cam •
Dylan Bruce as Tom Price, Alison's husband • Maureen Sebastian as Naomi Flynn, Alison's campaign manager and lover •
Deirdre Lovejoy as Detective Linda Cutter, Brady's superior and the lead investigator on the re-opened SBK case •
Catalina Sandino Moreno as Christina Morales, a doctor and the daughter of SBK's final victim •
Teresa Pavlinek as Dana, a medical examiner who works with Brady and Detective Cutter •
Sarah Power as Jennifer Windham, a television reporter • Natalie Prinzen-Klages and Nora Prinzen-Klages as Harper and Violet Hawthorne-Price, daughters of Alison and Tom ==Reception==