Daniella Kertesz (דניאלה קרטס‎ ) is an Israeli actress who achieved international prominence for her breakout Hollywood film role alongside Brad Pitt in the global blockbuster zombie thriller World War Z (2013). Born and raised in Jerusalem, Israel, into a Jewish family, Kertesz began her acting career in Israeli television and theatre. She built a solid foundation starring in prominent local television series, including the popular teen drama AD 101, the thriller series Masks, and the acclaimed Israeli drama Ha-Metim (The Dead) and Custody.

Her major turning point came when she was cast as Segen, a fierce and loyal Israeli soldier and military escort who assists Brad Pitt's character during a global pandemic, most notably in the tense, memorable airplane sequence. Her performance earned widespread praise for her strong screen presence and physical commitment. Following her international film debut, Kertesz has continued to work across stage and television, balancing projects in both Israel and international markets while cementing her reputation for intense, grounded dramatic performances.