John Shea

He made his television film debut in ''The Nativity'' (1978), alongside Madeleine Stowe. Billed alongside Helen Mirren, he starred in the noir film ''Hussy'' (1980) and the Academy Award-winning drama ''Missing'' (1982). In 1988, Shea won his first Emmy for his performance as William Stern in ''Baby M''. Shea's subsequent films include the comedy thriller ''Coast to Coast'' (1987), the drama ''Windy City'' (1984), the dark crime feature ''Small Sacrifices'' (1989), the political thriller ''The Insurgents'' (2006), the Tamil language thriller ''Achchamundu! Achchamundu!'' (2009), the drama ''An Invisible Sign'' (2010), and the Finnish film ''The Italian Key'' (2011).
His breakthrough came when he was cast as Lex Luthor in the 1990s TV series ''Lois & Clark: The New Adventures of Superman'', subsequently being cast as Adam Kane in the 2000s ''Mutant X'' series. Shea's public profile increased in 2012 after his five-year role as Harold Waldorf, Blair Waldorf's father on ''Gossip Girl''.
Shea has been noted for his political involvement in social equity, which in 1984 led him to organize the largest peace rally in the history of the United States, garnering praise by various non-governmental organizations such as Amnesty International. In 2014, Shea announced his directorial debut with ''Grey Lady'', released in mid-2017. Provided by Wikipedia