[3][5][7] The latter film, which aired on Lifetime in 2010, saw Riggs acting opposite Julia Ormond as her son.

[9] Riggs had previously worked with the series' executive producer Gale Anne Hurd on The Wronged Man.

[4][8] The series follows Rick Grimes (Andrew Lincoln), the father of Riggs' character Carl, as he and his group of family, friends, and strangers fight to survive in a violent apocalyptic world populated with zombies and the few surviving humans, some of whom are even more dangerous than the zombies themselves.

[15] In late 2017, Riggs was let go from The Walking Dead when, in a drastic departure from the comic book source material, his character was controversially killed off midway through the series' eighth season.

[5][19] In 2017, Riggs started DJing various events around the United States and released his first song "Hold on" under his stage name "Eclipse" in December of that year.

[25] In January 2019, Riggs was cast as PJ for a multi-episode arc on the ABC freshman drama series A Million Little Things.