Bruce Willis

John McClane

Justin Long

Matthew 'Matt' Farrell

Timothy Olyphant

Thomas Gabriel

Cliff Curtis

Agent Bowman

Maggie Q

Mai Linh

Jonathan Sadowski

Trey

Mary Elizabeth Winstead

Lucy McClane

Kevin Smith

Warlock

Yorgo Constantine

Russo

Cyril Raffaelli

Rand

Andrew Friedman

Casper

Christina Chang

Agent Taylor

Zeljko Ivanek

Agent Molina

Sung Kang

Raj

Chris Palermo

Del

Jake McDorman

Jim

Matt O'Leary

Clay

Yancey Arias

Agent Johnson

Allen Maldonado

Goatee

Chris Ellis

Scalvino

Nadine Ellis

Teller

Tim Russ

Agent Chuck Summer

Rosemary Knower

Mrs. Kaludis

Gerald Downey

Hoover Agent

Jim Cantafio

Deli Owner

Regina McKee Redwing

Nearby Agent

Tony Colitti

Chief Hazmat Agent

Tim DeZarn

Police Sergeant

Kurt David Anderson

Miller

Ethan Flower

Trader

Nick Jaine

Phone Guy

Joe Gerety

Jack Parry

Edward James Gage

On Duty PP Operator

David Walrod

Deli Customer

Edoardo Costa

Emerson

John Reha

Slacker Kid

Rick Cramer

MP Rodriguez

Vito Pietanza

DC Cop

Dennis Depew

DC Cop

Howard Tyrone Ferguson

DC Cop

John Lacy

EMT

Diana Gettinger

FBI Dispatcher

Melissa Knowles

Freeway Reporter

Chad Stahelski

Terrorist (uncredited)

Michael Papajohn

Gabriel's Henchman (uncredited)

Clay Cullen

Assassin (uncredited)

Matt McColm

Terrorist (uncredited)