Brian "Astro" Bradley will play the role of McKay
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HBO's 'Euphoria': Who's In The Cast And Who Are They Playing?
7. Brian "Astro" Bradley will play the role of McKay
If you watched the US X-Factor, you'll probably remember Astro. Since placing seventh on the show in 2011 at the age of 14, Astro has gone on to star in 'Red Band Society' opposite Octavia Spencer and also had a guest spot in CBS's 'Person of Interest'.