Brad Pitt
Mr. O'Brien
Sean Penn
Jack
Jessica Chastain
Mrs. O'Brien
Hunter McCracken
Young Jack
Laramie Eppler
R.L.
Tye Sheridan
Steve
Fiona Shaw
Grandmother
Jessica Fuselier
Guide
Nicolas Gonda
Mr. Reynolds
Will Wallace
Architect
Kelly Koonce
Father Haynes
Bryce Boudoin
Robert
Jimmy Donaldson
Jimmy
Kameron Vaughn
Cayler
Cole Cockburn
Harry Bates
Dustin Allen
George Walsh
Brayden Whisenhunt
Jo Bates
Joanna Going
Jack's Wife
Irene Bedard
Messenger
Michael Koeth
Jack @ 2
Finnegan Williams
Jack @ 5
John Howell
R. L. @ 2
Samantha Martinez
Samantha
Savannah Welch
Mrs. Kimball
Tamara Jolaine
Mrs. Stone
Julia M. Smith
Beth
Anne Nabors
Rue
Christopher Ryan
Prisoner
Tyler Thomas
Tyler Stone
Michael Showers
Mr. Brown
Kimberly Whalen
Mrs. Brown
Margaret Hoard
Jane
Wally Welch
Clergyman
Hudson Lee Long
Mr. Bagley
Michael Dixon
Dusty Walsh
William Hardy
Jack's Work Colleague
Tommy Hollis
Tommy
Cooper Franklin Sutherland
Robert #2
John Cyrier
Bi-Plane Pilot
Erma Lee Alexander
Erma
Nicholas Yedinak
Nicholas Swimmer
Erinn Allison
Mrs. Bates (uncredited)
Mary Anzalone
School Teacher (uncredited)
Charlotte Biggs
1950s' Woman (uncredited)
Benjamin Dane
Symphony Patron (uncredited)
Michael E. Harvey
Lame Man (uncredited)
Matt Hislope
Clown (uncredited)
Jackson Hurst
Uncle Ray (uncredited)
Zach Irsik
Jack's Son (uncredited)
Scottie Jefferies
Businessman (uncredited)
Gregory Kelly
Prisoner (uncredited)
Carlotta Maggiorana
Ragazza-angelo (uncredited)
Crystal Mantecon
Elisa (uncredited)
Jodie Moore
Mr. Walsh (uncredited)
Kathryn Rawson
Capitol Secretary (uncredited)
Danielle Rene
Woman (uncredited)
Debbi Tucker
Neighbor (uncredited)