Owen Cooper accepts the award for Outstanding Supporting Actor in a Limited or Anthology Series or Movie for Adolescence at the 77th Primetime Emmy Awards in Los Angeles on Sunday. (Mike Blake/Reuters)Owen Cooper is an Emmy winner - a historic one at that. The 15-year-old actor, who starred in the Netflix series Adolescence as a young boy who is arrested for a horrific crime, became the youngest ever male winner across all acting categories when he took home the award for Outstanding Supporting Actor in a Limited or Anthology Series or Movie.