Dean Norris Glenn Sickleman
Naomi Watts Susan Carpenter
Jacob Tremblay Peter Carpenter
Jaeden Martell Henry Carpenter
Sarah Silverman Sheila
Lee Pace Dr. David Daniels
Maddie Ziegler Christina
Melissa Toth Costume Design
Maxwell Simkins Tommy
Mary Joy Dot
Joel Marsh Garland Big Ed
Sue Baden-Powell Executive Producer, Unit Production Manager
Donna Mitchell Bookstore Clerk
John Penotti Executive Producer
Michael Giacchino Original Music Composer
Bobby Moynihan John
Jessica Kelly Casting
Marjan Neshat Nurse Kathy
Kathleen Brown Key Makeup Artist
Sidney Kimmel Producer
John Schwartzman Director of Photography
Donnetta Lavinia Grays Nurse Leah
Jackson Nicoll Morris
Geraldine Hughes Mrs. Evans
Colin Trevorrow Director
Chris Barnes Stunts
Bruce Toll Executive Producer
Blaise Corrigan Stunt Coordinator
Gavin Barnes Kid with "R"
Jodi Michelle Pynn Stunts
Justin Bischoff Second Assistant Director
Kalina Ivanov Production Design
Tonya Pinkins Principal Wilder
Arthur French Gus
Wass Stevens Gary
Nick Meyer Executive Producer
Kevin Stitt Editor
Suzanne Smith Crowley Casting
Lily Peterson Stage Manager (uncredited)
Mike Massimino Trucker
Carla Hacken Producer
Deborah Rayne EMT
Jenette Kahn Producer
Anthony Keating Set Production Assistant
Logan Smith Boy (uncredited)
Claire Mahony Key Hair Stylist
Zandi Holup Teenage Girl Customer
Gregg Hurwitz Writer, Co-Producer
Joanne Ling Set Decoration
Adam Richman Producer
Maya Hardinge Makeup Department Head
Taylor Dior Talent Show Singer
Philip Smreck George Sickleman
Stefanie Flores Girlfriend (uncredited)
Derek Wang Art Direction
Jeff Gernert Associate Producer
Mark Mikutowicz Co-Producer
Peter Hourihan Cop
Adam Callan Co-Producer