Alex made an appearance in the third season of Black Mirror.
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Alex Lawther: 11 Facts You (Probably) Didn’t Know About The Rising Star
8. Alex made an appearance in the third season of Black Mirror.
In the episode 'Shut Up and Dance', Alex plays a teenage boy who is blackmailed into committing bizarre and criminal acts by a mysterious hacker possessing a video of him masturbating, which sounds about right for a Black Mirror plotline.