And it's not the first time that Tony Gardner, who played Mr Johnson in the hit after-school show, has attended the festival in Somerset – last year, he reunited with his on-screen son Josh Barker (Alex Kew) at Glastonbury.
Related: My Parents Are Aliens: Where are Brian, Sophie, Josh, Mel and Lucy now?
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In case you were living on another planet back in the noughties, My Parents Are Aliens was a children's TV show (often watched while eating a Cheestring or your bodyweight in TuckShop) about three orphaned children whose foster parents were, well, aliens – and they had to keep it secret from their friends.
Since MPAA, Gardner has appeared in a whole host of TV shows, most notably as suave Opposition Leader Dan Miller in The Thick of It and charming lecturer Tony Shales in Fresh Meat. Quite the opposite of bumbling Brian.
He is also a regular as Sarah Lancashire's adulterous husband John in Last Tango in Halifax, and played Lieutenant Colonel Philip Smith in BBC Three comedy Bluestone 42.
Most recently, the 53-year-old actor appeared as Douglas in the Doctor Who episode 'The Pyramid at the End of the World'.
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