Legendary actor John Lithgow portrays Roald Dahl in a new play that explores the darker side of the well-known author's life and work. Stick around for more with John Lithgow and check him out on Broadway starting this Wednesday in "Giant." #Colbert #Comedy #JohnLithgow #Giant #Broadway #StephenColbert #TheLateShow Subscribe To "The Late Show" Channel: http://bit.ly/ColbertYouTube Watch full episodes of "The Late Show": http://bit.ly/1Puei40 Listen to "The Late Show Pod Show" podcast: https://