Antun Vrdoljak is the father-in-law of Goran Višnjić. Vrdoljak is a Croatian politician who served as the 10th Prime Minister of Croatia from 2003 to 2009. He is married to Višnjić's wife, Ivana Vrdoljak, who is a Croatian actress and singer.
From ER to Time Travel: The Goran Višnjić Trivia Challenge!