Judd Hirsch plays Alan Eppes, the widower and family patriarch. He came to fame for his role as Alex Reiger on Taxi in the late 70s and early 80s. He was the star of Dear John USA, and more recently has been seen on Damages, Warehouse 13 and in a cameo in The Muppets movie. In 2014, Mr. Hirsch took up a starring role in Forever, alongside Ioan Gruffudd, which sadly ran only a single season. He is back on the big screen in 2016, reprising his role in Independence Day: Resurgence, and has become Leonard's dad on The Big Bang Theory.