John Lithgow breaks down his most iconic characters, including his roles in 'Shrek,' '3rd Rock From The Sun,' 'Dexter,' 'Harry & the Hendersons,' 'The Crown,' 'Footloose,' 'Cliffhanger,' 'The Changing Room,' 'Bombshell,' 'The Old Man,' 'M. Butterfly' and 'The World According to Garp.'

FX’s The Old Man airs Thursdays at 10 p.m. ET/PT on FX and streams the next day on Hulu.