Matt Damon Producer
John Krasinski Executive Producer
William Bornkessel George's Son (uncredited)
Alex Berard Location Manager
Mary Mallen Sharon
Liam McNeill Josh (Randi's Husband)
Michelle Williams Randi Chandler
Casey Affleck Lee Chandler
Christian Mallen CJ
Tate Donovan Hockey Coach
Kt Baldassaro Bar Patron (uncredited)
Tom Kemp Stan Chandler
Hannah Rhein Set Costumer
Matthew Broderick Jeffrey Garner
Melissa Toth Costume Design
Kyle Chandler Joe Chandler
Missy Yager Mrs. Olsen (4th Tenant)
Brian Chamberlain Investigating Detective
Erica McDermott Sue (Angry Boss in Boat Yard Office)
Heather Burns Jill
Summer Phoenix Thanks
Dann Fink ADR Voice Casting
Matt Bouldry Casting Associate
Ruth De Jong Production Design
Susan Pourfar Nurse Irene
Kenneth Lonergan Manchester Pedestrian, Director, Writer
Ivy O'Brien Young Patrick Chandler
Josh Hamilton Wes (Joe's Lawyer)
Gretchen Mol Elise Henderson
Chris Moore Producer
Lucas Hedges Patrick Chandler
Ryan Collison Foley Recording Engineer
Brant S. Fagan Steadicam Operator
Anna Baryshnikov Sandy
C.J. Wilson George
Morgan Kling Property Master
Kevin S. Parker Sound Mixer
Kara Hayward Silvie McGann
Stephen McKinley Henderson Mr. Emery
Douglas Aibel Casting
Taylor Levy Assistant Editor
Ben Hanson Bartender
Dan Edelstein ADR Editor
Jennifer Lame Editor
Joanna Murphy Assistant Costume Designer
Ryan Baker Utility Sound
Rob Fitz Makeup Artist
Claire Folger Still Photographer
Alexa Zimmerman Dialogue Editor
Jacob Ribicoff Sound Re-Recording Mixer, Supervising Sound Editor, Sound Designer
Oscar Wahlberg Joel
Gigi Pritzker Producer
Jill Sacco Production Secretary
Joe Stapleton Fire Marshall
Danae Nason Rachel (Randi's Friend)
Teresa Hays Best Boy Grip
Declan Baldwin Executive Producer, Unit Production Manager
Billy Dowd Extras Casting
Jody Lee Lipes Director of Photography
Tyler Newhouse ADR Recordist
Jackson Damon Otto
Jourdan Henderson Art Direction
Sherryn Smith Key Makeup Artist
Kevin J. Walsh Producer
Roland Vajs Sound Re-Recording Mixer, Foley Editor
Beth Anderson Assistant Property Master
Frank Barbosa Hair Department Head
Allyn Burrows Father Martin
Karl Hartman Production Coordinator
Michael Fuchs Steadicam Operator
Paul Marini Stunt Coordinator
Risa Uchida Battis Set Dresser