based on novel or book (2021)

Kiana Madeira Sarah Fier / Deena Johnson Ashley Zukerman Solomon Goode / Nick Goode Gillian Jacobs Adult Ziggy / C. Berman Olivia Scott Welch Hannah Miller / Samantha 'Sam' Fraser Benjamin Flores Jr. Henry Fier / Josh Johnson Darrell Britt-Gibson Martin P. Franklin Sadie Sink Constance / Christine 'Ziggy' Berman Emily Rudd Abigail / Cindy Berman McCabe Slye Mad Thomas / Tommy Slater Julia Rehwald Lizzie / Kate Schmidt Fred Hechinger Isaac / Simon Kalivoda Jordana Spiro The Widow / Mary Lane Jordyn DiNatale Ruby Lane Elizabeth Scopel 'Real' Sarah Fier Randy Havens George Fier Matthew Zuk Elijah Goode / Mayor Will Goode Michael Chandler 'The Pastor' Cyrus Miller Patrick Roper Union Townsman 1 Robert Bryan Davis Union Townsman 2 Lynne Ashe Union Townswoman Charlene Amoia Beth Kimball / Rachel Thompson Mark Ashworth Jakob Berman Todd Allen Durkin The Watchman / Officer Kapinski Ryan Simpkins Alice Noah Bain Garret Skull Mask Keil Oakley Zepernick 'Shame Killer' Isaac Milton Emily Brobst Billy Barker Kevin Waterman 'The Milkman' Harry Rooker Ted Sutherland Young Nick Goode Lloyd Pitts Nightwing Killer Maya Hawke Heather Watkins (archive footage) (uncredited)