<Tr> <Th> Years active </Th> <Td> 2010--present </Td> </Tr> <Tr> <Th> Spouse (s) </Th> <Td> Valorie Curry (m . 2016) </Td> </Tr> <P> Sam Underwood (born 4 August 1987) is a British actor who portrayed the twins Luke and Mark Gray in the Fox thriller drama The Following . As of 2017, he portrays Jake Otto in the hit AMC series Fear the Walking Dead . </P> <P> Underwood was born in Woking, Surrey and attended the Winston Churchill School . He trained at the Karen Clarke Theatre Group (now Summerscales Performing Arts), was taught by vocal coach Phil Wisdom and attended Songtime Theatre Arts . </P>

Who plays luke and mark on the following