Casey Affleck character Lee Chandler
Michelle Williams character Randi Chandler
Kyle Chandler character Joe Chandler
Lucas Hedges character Patrick Chandler
Gretchen Mol character Elise Chandler
C.J. Wilson character George
Heather Burns character Jill
Ben O'Brien character Young Patrick Chandler
Josh Hamilton character Wes (Joe's Lawyer)
Matthew Broderick character Jeffrey
Tate Donovan character Hockey Coach
Anna Baryshnikov character Sandy
Richard Donelly character Mr. Martinez (1st Tenant)
Virginia Loring Cooke character Mrs. Groom (2nd Tenant)
Quincy Tyler Bernstine character Marianne (3rd Tenant)
Missy Yager character Mrs. Olsen (4th Tenant)
Stephen Henderson character Mr. Emery
Ben Hanson character Bartender
Mary Mallen character Sharon
Lewis D. Wheeler character 1st Businessman at Bar
Anthony Estrella character 2nd Businessman at Bar
Susan Pourfar character Nurse Irene
Robert Sella character Dr. Muller
Ruibo Qian character Dr. Bethany
Tom Kemp character Stan Chandler
Chloe Dixon character Suzy Chandler
Ellie Teves character Karen Chandler
Paul Meredith character Paul (Assistant Principal)
Carolyn Pickman character Paul's Assistant
Christian J. Mallen character CJ
Oscar Wahlberg character Joel
Kara Hayward character Silvie
Wendy Overly character Wes's Assistant
Shawn Fitzgibbon character Tom Doherty (Ping-Pong Player)
Glenn McKiel character Manchester Police Chief
Joe Stapleton character Fire Marshall
Brian Chamberlain character Investigating Detective
Kenneth Lonergan character Manchester Pedestrian
Jackson Damon character Otto
Jami Tennille character Janine
Liam McNeill character Josh (Randi's Husband)
Allyn Burrows character Father Martin
Nellie Lonergan character 1st Girl at School ("Godspell")
Brian A. White character Jerry (Guy in Boat Yard Office)
Erica McDermott character Sue (Angry Boss in Boat Yard Office)
Danae Nason character Rachel (Randi's Friend)
Frank Garvin character Homeowner
William Bornkessel character George's Son
Kt Baldassaro character Bar Patron (uncredited)
