Timothy OlyphantThomas Gabriel
Cliff CurtisDeputy Director Miguel Bowman
Mary Elizabeth WinsteadLucy McClane
Kevin SmithWarlock - Frederick Kaludis
Željko IvanekAsst. Deputy Director Molina
Christina ChangAgent Taylor
Rosemary KnowerMrs. Kaludis
Gerald DowneyHoover Agent
Chris EllisCapt. Jack Scalvino
Regina McKee RedwingNearby Agent
Tony ColittiChief Hazmat Agent
Tim DeZarnPolice Sergeant
Kurt David AndersonMiller
Tim RussAgent Chuck Summer
Edward James GageOn Duty PP Operator
David WalrodDeli Customer
Yancey AriasAgent Johnson
Howard Tyrone FergusonDC Cop
Diana GettingerFBI Dispatcher
Melissa KnowlesFreeway Reporter
Bryon WeissRobinson (uncredited)
Elena Nikitina BickNewscaster (uncredited)
Michael PapajohnGabriel's Henchman (uncredited)
Charles GrishamGabriel's Main Terrorist (uncredited)
Andy DylanTerrorist Blown Up by Fire Extinguisher (uncredited)
Peter EpsteinTerrorist Truck Driver (uncredited)
Chad StahelskiTerrorist (uncredited)
Brock LittleTerrorist (uncredited)
Matt McColmTerrorist (uncredited)
Clay CullenAssassin (uncredited)
Mark FalvoFBI Special Agent (uncredited)
Katherine Hoskins MackeyFBI Agent (uncredited)
Alexander KanellakosFBI Agent (uncredited)
Jonathan LaneFBI Agent (uncredited)
Maciek SokalskiFBI Agent (uncredited)
Sydney JayJunior FBI Agent (uncredited)
Michael MolthenFBI Tech Analyst (uncredited)
Carshénah JeffersonFBI Tech Analyst (uncredited)
Nicole NogradyFBI Tech Analyst (uncredited)
Timothy 'TJ' James DriscollSWAT Member with Walkie (uncredited)
Neal McNeilDC Police Officer (uncredited)
David HavertyPolice Officer (uncredited)
Brian SmyjPolice Officer (uncredited)
Tim W. WalkerDC Firefighter (uncredited)
Skip WrightEMT (uncredited)
Tamieka ChavisConcerned Citizen (uncredited)
Joe Bucaro IIIDriver (uncredited)
Patrick Michael StrangeProtestor (uncredited)