He is identified as "That kid from that one show" in the new issue of 'Old Lady Harley.'

CELEBRITIES
Nothing should be this confusing.
In the 1950s, Isaac Asimov wrote a series of six science fiction novels for children using the pseudonym Paul French.
While it’s hard to imagine anyone else in Tom Baker’s striped scarf or David Tennant’s Chuck Taylors, casting decisions could have gone very differently.
The Oscar-winning director is a walking, talking film school.
'Hamilton' creator Lin-Manuel Miranda has managed to cram a lot into his 40 years, including a Pulitzer Prize and a MacArthur Genius Grant. Yet he can't help thinking that Paul McCartney was much further along when he was the same age.
You know nothing, Robb Stark.
Then the show's creators found Maisie Williams ...
Technically, the author did give birth to the boy wizard.