Amy Adams
as Camille Preaker
Patricia Clarkson
as Adora Crellin
Eliza Scanlen
as Amma Crellin
Chris Messina
as Detective Richard Willis
Matt Craven
as Chief Bill Vickery
Henry Czerny
as Alan Crellin
Taylor John Smith
as John Keene
Miguel Sandoval
as Frank Curry
Elizabeth Perkins
as Jackie O'Neill
Lulu Wilson
as Marian Crellin
Sophia Lillis
as Young Camille
Madison Davenport
as Ashley Wheeler
Will Chase
as Bob Nash
Jackson Hurst
as Kirk Lacey
Annie Fitzgerald
as Young Adora Crellin