Željko Ivanek (né Šimic-Ivanek; ; Slovene: ['???lk? i'?a?n?k]; born August 15, 1957) is a Slovenian-American actor, known for his role as Ray Fiske on Damages, for which he won a Primetime Emmy Award.
Ivanek is also known for his role of Ed Danvers on Homicide: Life on the Street and Homicide: The Movie, Governor James Devlin on Oz, Andre Drazen on 24, Blake Sterling on the short-lived NBC series The Event, and Emile "The Hunter" Danko on Heroes.
From 2014 until 2019, he starred as Russell Jackson in the CBS drama Madam Secretary.