Dennis Quaid as Frank Sullivan

Jim Caviezel as John Sullivan

Shawn Doyle as Jack Shepard

Elizabeth Mitchell as Julia Sullivan

Andre Braugher as Satch DeLeon

Noah Emmerich as Gordo Hersch

Melissa Errico as Samantha Thomas

Jordan Bridges as Graham Gibson

Daniel Henson as Johnny Sullivan (6 Years)

Michael Cera as Gordy Jr. (10 Years)

Stephen Joffe as Gordo Hersch (8 Years)

Peter MacNeill as Butch Foster

Marin Hinkle as Sissy Clark

Jack McCormack as Commander Butch O'Connell

Richard Sali as Chuck Hayes

Nesbitt Blaisdell as Fred Shepard

Joan Heney as Laura Shepard

Jessica Meyer as Teenage Runaway

Kirsten Bishop as Carrie Reynolds

Rocco Sisto as Daryl Simpson

Rosemary De Angelis as Mrs. Finelli

John Di Benedetto as Con Ed Supervisor

Terry Serpico as Con Ed Worker #1

Brian Smyj as Con Ed Worker #2

Nicole Brier as Stoned Teenage Girl

Brantley Bush as Young Intern

David Huband as Lounge Bartender

Chuck Margiotta as Pedestal Man Gino

Karen Glave as Lanni DeLeon

Frank McAnulty as Desk Sergeant

Derek Aasland as Stoned Man #1

Jim McAleese as Cozy Bartender

Catherine Burdon as Young Woman #1

Jennifer Baxter as Young Woman #2

Desmond Campbell as Forensic Tech Hector

Danny Johnson as Uniformed Cop #1

Colm Magner as Uniformed Cop #2

Brigitte Kingsley as Bar Waitress

Tucker Robin as Frank Jr.

Melissa Fitzgerald as Linda Hersch

Timothy Brown as Roof Man Billy