Amy Ryan

as Carla Russo(1 ep)

as Dr. Anna Marie Crocetti

as Margaret

as Melanie Matthews(8 eps)

as Self

as Grace

as Jan Bellows(15 eps)

as Camille Biros

as Michelle McNamara's Words (voice)(7 eps)

as Mari Gilbert

as Charlene Chase

as Caroline Morton

as Vicki Sheff

as Tracy

as Cindy Coley

as Bonni Tischler

as Pamela Harris

as Self

as Carol

as Mary Donovan

as Hannah Brennan

as Self(1 ep)

as Gale

as Self

as Sylvia

as Heidi Strand(2 eps)

as Marjorie (voice)(1 ep)

as Abigail Ross

as Wendy

as Margaret Lax

as Megan Reynolds

as Self(1 ep)

as Jackie Flaherty

as Connie

as Lawrie Dayne

as Ms. Wright

as Miss Charley

as Carol Dexter

as Anita Hoffman (voice)

as Queenie

as Adele Brouse(8 eps)

as Eileen

as Martha Hanson

as Helene McCready

as Self

as Emily Brooks

as Marie Dewey

as Neighbor with Toddler

as Holly Flax(17 eps)

as Lynn Bedik

as Peggy

as Beadie Russell(20 eps)

as Megan Salerno

as Julie Turner(1 ep)

as Edie Nelson(1 ep)

as Ellen(1 ep)

as Rebecca Rifkind(2 eps)

as Mrs. Prescott

as Dr. Jenny Hanson(1 ep)

as Lorraine Hansen(1 ep)

as Judy

as Carrie Baker(2 eps)

as Elaine Devlin

as Self(1 ep)

as Chloe Banks(20 eps)

as Sister Elizabeth(2 eps)

as Helen Sherwood(1 ep)

as Erika Cullen(1 ep)

as Beth

as Robin(1 ep)

as Amy(1 ep)

as Valerie Messick(1 ep)

as Libby McBain(1 ep)

as Self(1 ep)

as Self(1 ep)