If you don’t know his favorite sandwich, or what he thinks happens when we die, do you really know legendary actor Ian McKellen? After the clip, get to know other big stars on a deeper level with #TheColbertQuestionert playlist: https://www.youtube.com/playlist?list=PLiZxWe0ejyv_wVOeoEO7tjHq-GZg_GGqK. #Colbert #Comedy #ColbertQuestionert #IanMcKellen #StephenColbert #thelateshowwithstephencolbert Subscribe To "The Late Show" Channel: http://bit.ly/ColbertYouTube Watch full episodes of "The Late