Kiefer Sutherland
The Caller
Forest Whitaker
Captain Ramey
Radha Mitchell
Kelly Shepard
Katie Holmes
Pamela McFadden
Richard T. Jones
Sergeant Cole
James MacDonald
Negotiator
Yorgo Constantine
ESU Commander
Colin Patrick Lynch
ESU Technician
Seth William Meier
Officer McDuff
Domenick Lombardozzi
Wyatt
Julio Oscar Mechoso
Hispanic Medic
Karara Muhoro
Nigerian Vendor
Tyree Michael Simpson
Doorman
Billy 'Sly' Williams
(voice)
Ben Foster
Big Q (uncredited)
Jared Leto
Bobby (uncredited)
Mia Cottet
Lu Ann (uncredited)