World War Z features a talented cast of actors and actresses who bring the characters to life. Brad Pitt portrays Gerry Lane, Mireille Enos as Karen Lane, Daniella Kertesz as Segen, James Badge Dale as Captain Speke, Ludi Boeken as Jurgen Warmbrunn, Matthew Fox as Parajumper, Fana Mokoena as Thierry Umutoni, and David Morse as Ex-CIA Agent.