 Žižić had graduated from the University of Zagreb Faculty of Law before taking up filmmaking in the early 1960s.From 1960 to 1964 he worked as a dramaturge at the Zagreb Film production company, and he had his directing debut with the 1964 film "The Flood" (), a documentary about the 1964 Zagreb flood.He went on to make a number of acclaimed documentaries in the 1960s and 1970s, mostly dealing with social issues and art.