George Clooney as Lt. Col. Thomas Devoe

Nicole Kidman as Dr. Julia Kelly

Marcel Iureș as Dusan Gavrich

Aleksandr Baluev as General Aleksandr Kodoroff

Rene Medvešek as Vlado Mirich

Armin Mueller-Stahl as Dimitri Vertikoff

Goran Višnjić as Bazta Sergeant

Tamara Tunie as Jody

Gary Werntz as Terry Hamilton

Randall Batinkoff as Ken

Jim Haynie as General Garnett

Alexander Strobele as Dietrich Schuhmacher

Holt McCallany as Mark Appleton

Michael Boatman as CPN Beach

Joan Copeland as Senator Helen Bevens

Carlos Gómez as Santiago

Slavko Juraga as Stevo

Aleksandr Peskov as Vassily

Dejan Aćimović as Kodoroff's Driver

Harsh Nayyar as Dr. Taraki

Matt Adler as Alan

Aleksandr Yatsko as Russian Corporal

Jared Chandler as Marine

Adina Porter as Police NYPD

Alma Cuervo as UN Representative

Sebastian Roché as Hans, German Backpacker (as Sabastian Roche)

Blaise Corrigan as FBI Agent #1

Jay Acovone as Cop

Thom Mathews as Major Rich Numbers

Bruce MacVittie as DOE Helo Tech

Ľubomír Paulovič as Pockman

Charles Dumas as Special Agent David Branigan

Ramsey Faragallah as New York Cabbie

Murphy Guyer as INS Agent

Leslie Dilley as New York Priest

David S. Lomax as FBI Agent #2

Gordon Catlin as Gunner

John Ottavio as FBI Agent #3

Hannah Leder as Piano Student

James Colby as Limo Driver

Jean Rogers as Sarajevo CNN Representative

Matt Winston as UN Official

Terry Serpico as Sniper #1

Jerry Dixon as Sniper #2

Jerome Jamal Hardeman as Pilot #1

David Lagle as Pilot #3

Louis Mustillo as Costello

Božidar Smiljanić as Serb Minister

Michael Potts as DOE Haz-mat Tech #1

Richard Poe as DOE Haz-mat Tech #2

Slobodan Dimitrijević as Serb Official

Martin Nikodým as Polish IFOR Soldier

Charles Cavalier as Angry Motorist

Dave Simonds as Philly Agent

Irmelin Mai Hoffer as Vienna Cafe Singer

Chuck Cooper as NYPD Cop

Jono Kouzouyan as Bazta Merchant

Evert Sooster as Praporshik

Branko Lustig as Man with Poodle

Matthew Sussman as National Guard Captain

Bill Christ as DOE Agent

William Hill as Agent

Bernie McInerney as Carey

Andrea Doven as Kelly Girl

James DuMont as Young Sniper

Mark W. Johnson as CIA Agent

Ed Semenov as Radio Officer

Bruce Gray as CNN Newscaster

Endre Hules as Older Major