Zac Efron as John 'Chickie' Donohue

Russell Crowe as Arthur Coates

Kyle Allen as Bobby Pappas

Bill Murray as The Colonel

Jake Picking as Rick Duggan

Will Ropp as Kevin McLoone

Archie Renaux as Tom Collins

Ruby Ashbourne Serkis as Christine

Will Hochman as Tommy Minogue

Christopher Reed Brown as Noodle

Joe Adler as Red

MacGregor Arney as Brendan

Hal Cumpston as Leary

Kristin Carey as Mrs. Minogue

Paul Adelstein as Mr. Donohue

Matt Cook as Lt. Habershaw

Shirleyann Kaladjian as Mrs. Donohue

Kevin Tran as Hieu 'Oklahoma'

Bob Farrelly as Baby-Face

Branden Lindsay as Jimmy Burns

Omari K. Chancellor as Erickson

Carlos Arroyo as Sgt. Major Perez

Kelvin Delgado as Gines

Thomas Jordan as Leasco

Phil Anthony Edwards as Duvall

Thai-Hoa Le as Bartender Hien

Deanna Russo as Correspondent Woelfel

James Laver as Correspondent Lewis

Paul Sloan as CIA Agent

Nguyen Viet Anh as ARVN Interpreter

Alex Huynh as Prisoner

Kevin J. Flynn as Seafarers Union Clerk

Sean Gildea as Drake Captain Beauchene

Goya Robles as Almeida

Bradley M. Hayes as Saigon MP

Brian Jarvis as Major Breuer

Mike Hatton as Captain Dyer

Mike Gray as Lt. Fusco

Thomas Ronca as Cpl. Warner

Steve Sweeney as Lt. Commander Washburn

Josefina Grajo Villanueva as Embassy Bureaucrat

Jackie Flynn as Major Flynn

James Fahselt as Mason

Anabel Graetz as Nanny

Ngo Hoang Long as Caravelle Porter

Lisa Rothschiller as Mrs. Collins

John Garrett Mahlmeister as LZ Jane Radio Operator

Michael Grant Selby as Jeep Soldier Soucy

Terry Mullany as Jeep Soldier Hardcastle

Alex Winters as Long Binh Private

Malik Tyshawn Louis as Long Binh Fireman

Mata Toure as Medic Molloy

Finn Gesner as Cool Breeze

Apple Farrelly as Protester #1

Rory Gesner as Protester #2

Carlie Mantilla as Protester #3

Alicia Jordan as Protester #4

Tuck Gesner as Protester #5

Henry Mortensen as Baby Killer Protester

Mariann Farrelly as Counter-Protester

Andrew Small as Parish Priest

J.B. Rogers as Drake First Mate

Simeon Drew Young as Military Truck Driver

Mav Kang as Helicopter Pilot Miosky

Le Minh Phuc as Saigon Cab Driver

Chananticha Chaipa as Little Girl

Nguyen Thi Thanh Thao as Vietnamese Mother

Duran Russell as Embassy Soldier

Pedro Correa as PFC William Sebast

Jake Mooney as SPC Charles Daniels

Nguyen Van Vo as South Vietnam Field Force Officer

Andrew J. Muscato as Long Binh Gate Guard

Thanawat Jhongfakklang as Grieving Saigon Father

Alexander Winters as Long Binh Private

Kelsea Edgerly as Protester (uncredited)

Dennis W. Hall as Mr. Minogue (uncredited)

Phil Korz as Bar Patron (uncredited)

Caroline Plyler as Minogue Friend (uncredited)

Mark Rome as Protester (uncredited)

Ron Smoorenburg as Soldier (uncredited)