Sean Astin 
 as Billy Tepper

Wil Wheaton 
 as Joey Trotta

Keith Coogan 
 as Snuffy Bradberry

Andrew Divoff 
 as Luis Cali

R. Lee Ermey 
 as General Kramer

Mason Adams 
 as Deputy Director Brown

Denholm Elliott 
 as Headmaster

Louis Gossett Jr. 
 as Dean Parker

George Perez 
 as Ricardo Montoya

T.E. Russell 
 as Hank Giles

Shawn Phelan 
 as Derek

Michael Champion 
 as Jack Thorpe

Tracy Brooks Swope 
 as Jennifer (voice)

Max Manwell 
 as HRT Commander

Joe Inscoe 
 as Agent Grimes

Jerry Lyden 
 as Ben

René Gatica 
 as Colombian Judge

Jeremiah McLerran 
 as Ted

Jesse Doran 
 as Enrique Cali

Stan Kelly 
 as Sheriff

Carole Shoemaker 
 as Press Secretary

Adam Bonifant 
 as Nicholas Josephson

Mark Retz 
 as Guber

Paul Sincoff 
 as Brave Student

Richard Travis 
 as Frank the Guard

Janet Lee Orcutt 
 as Woman in Park

Knowl Johnson 
 as "Phil" Donoghue

Rafael H. Robledo 
 as Carlos

Tom Trigo 
 as Ruiz

Jerry Valdez 
 as Jorge

Russell Gannon 
 as Guard

Richard Warner 
 as Deputy Marshal

Chris Northup 
 as Camouflaged Soldier

Joe Banks 
 as Brown's Aide

Rick Warner 
 as FBI SAC

Sarah Stavrou 
 as Agent at Console

David Norris 
 as Concerned Student

Todd Bonifant 
 as Student

Mike Rogerson 
 as Student

Grady Weatherford 
 as Student

Darrell Elmore 
 as Sniper

Dennis Hunsinger 
 as Sniper

Cliff McLaughlin 
 as Commando

Brian Williams 
 as Commando

Jeff Ramsey 
 as Border Patrol Officer

Nick Dimitri 
 as Border Patrol Officer

Mark Brutsche 
 as Angry Parent

Cynthia Hayden 
 as Angry Parent

Denise Gordy 
 as Angry Parent

Michael Stephen Costello 
 as Angry Parent

Mimi Eisman 
 as Angry Parent

Lenny Steinline 
 as Angry Parent

Lloyd T. Williams 
 as Major

Jeremy Caplan 
 as Deputy Sheriff

Roy Borden 
 as Deputy Sheriff

John Shaw 
 as Cali's Lawyer

Jerry Orbach 
 as Albert Trotta (uncredited)