<P> Frank Stephenson Dillane ( born 21 April 1991 ) is an English actor , best known for his portrayal of Nick Clark on Fear the Walking Dead ( 2015 -- 18 ) , and for playing Tom Riddle in the film Harry Potter and the Half - Blood Prince ( 2009 ) . He also appeared as Owen Coffin in the film In the Heart of the Sea ( 2015 ) . </P>
<P> Frank Stephenson Dillane ( born 21 April 1991 ) is an English actor , best known for his portrayal of Nick Clark on Fear the Walking Dead ( 2015 -- 18 ) , and for playing Tom Riddle in the film Harry Potter and the Half - Blood Prince ( 2009 ) . He also appeared as Owen Coffin in the film In the Heart of the Sea ( 2015 ) . </P>
who plays nick in fear the walking dead
who plays nick in fear the walking dead
Frank Stephenson Dillane
Frank Stephenson Dillane