Bradley Cooper
as Chris Kyle

Sienna Miller
as Taya Renae Kyle

Kyle Gallner
as Goat-Winston

Cole Konis
as Young Chris Kyle

Ben Reed
as Wayne Kyle

Elise Robertson
as Debbie Kyle

Keir O'Donnell
as Jeff Kyle

Luke Sunshine
as Young Jeff Kyle

Kevin Lacz
as Dauber

Troy Vincent
as Pastor

Brandon Salgado Telis
as Bully

Chance Kelly
as Lt. Col. Jones

Marnette Patterson
as Sarah

Billy Miller
as Navy Recruiter

Leonard Roberts
as Instructor Rolle

Reynaldo Gallegos
as Tony

Jake McDorman
as Biggles

Cory Hardrict
as "D" / Dandridge

Eric Ladin
as "Squirrel" / Case

Brando Eaton
as Dapper Navy Man

James Ryen
as PO Kaman

Luke Grimes
as Marc Lee

Sammy Sheik
as Mustafa

Evan Gamble
as Jag Officer #1

Tim Griffin
as Colonel Gronski

Brian Hallisay
as Capt. Gillespie

Navid Negahban
as Sheikh Al-Obeidi

Fehd Benchemsi
as Terp #1

Eric Close
as DIA Agent Snead

Zack Duhame
as Contractor

Mido Hamada
as The Butcher

Kathe Mazur
as Dr. Hallerman

Sam Jaeger
as Navy Seal Lt. Martin

Assaf Cohen
as Terp #2

Fahim Fazli
as Messianic Tribal Leader

Hector Bucio
as PFC Alvarez

Jonathan Groff
as Young Vet-Mads

Melissa Hayden
as Receptionist

Pamela Denise Weaver
as Marc Lee's Mom

James D. Dever
as Funeral Detail OIC

Owain Yeoman
as Ranger One

Greg Duke
as MRAP Gunner

Max Charles
as Colton

Robert Clotworthy
as VA Doctor

Anthony Jennings
as Veteran #2

Vincent Selhorst-Jones
as Veteran at Truck

Jason Hall
as Cowboy

Jason Walsh
as Instructor #2

Jonathan Kowalsky
as 1st Marine #2

Shane Habberstad
as 1st Marine #1

Kevin Ryan
as Marine Viper #4

Benjamin Mathes
as JAG Officer #2

Luis Jose Lopez
as Sanchez

Had Mhidi Senhaji
as Omar

Ryan Sadaghiani
as Son

Ayman Samman
as Father

Salah Salea
as Angry Neighbor

Aidan McGraw
as Young Colton

Ferguson Reid
as Navy Doctor

Mark Thomason
as Chaplain

Amie Farrell
as Marc Lee's Wife

Quay Terry
as Firing Party NCO

Tami Goveia
as Navy Nurse

Leon Farmer
as Marine Gate Guard #1

Paul Meixner
as Marine Gate Guard #2

Victoria Reina Sigloch
as Marine Gate Guard #3

Joel Lambert
as Delta Sniper

Tony Nevada
as Recon Sniper

Brett Edwards
as Recon Gunner

Nick Salter
as Navy Dispatch Officer

Ricky Ryba
as Cobra Pilot

Jet Jurgensmeyer
as Colton's Friend

Madeleine McGraw
as McKenna

Elizabeth Schmidt
as Boy's Mom

Bryan Anderson
as Wynn's Friend

Jacob Schick
as Wynn

Wade White
as Veteran #1

Erik Audé
as Thompson

Amber Alexander
as Drinking Buddy (uncredited)

Belle Angel
as Doctor (uncredited)

Emerson Brooks
as Marine Sniper (uncredited)

Clint Eastwood
as Church Goer (Uncredited)

E.R. Ruiz
as Carjacker #2 (uncredited)