Matlock actor Jason Ritter is slated to join HBO's upcoming Lanterns series inspired by the Green Lantern DC comic. He will portray Billy Macon who tries to cash in on his family's name as he carries out tasks for his father,

Ritter is the latest in a growing cast list for DC's "Lanterns." Earlier this week it was announced Nicole Ari Parker ("And Just Like That") had joined the cast as Bernadette. Acc

HBO’s Lanterns is adding to its cast again, signing Jason Ritter for a recurring role. Ritter will play a character named Billy Macon in the series based on DC’s Green Lantern. Billy is described as “a good-looking charmer who does his father’s bidding.