 In November 2013 , McKellen appeared in the Doctor Who 50th anniversary comedy homage The Five ( ish ) Doctors Reboot . He reprised his role as Magneto in X @-@ Men : Days of Future Past , released in May 2014 ; he shared the role with Michael Fassbender , who played a younger version of the character in 2011 's X @-@ Men : First Class . In October 2015 , McKellen appeared as Norman to Anthony Hopkins ' Sir in a BBC Two production of Ronald Harwood 's The Dresser , alongside Edward Fox and Emily Watson . In 2017 , McKellen will voice Cogsworth , the Beast 's loyal butler , who was cursed into a pendulum clock , in a live @-@ action adaptation of Beauty and the Beast . 
