#NathanFillion has joined #Lanterns, HBO’s upcoming drama series based on the Green Lantern DC comic. Deadline has been tracking his casting as Guy Gardner since October. Fillion first voiced the Green Lantern character Hal Jordan in ‘Green Lantern: Emerald Knights’ (2011) and again a year later in ‘Justice League: Doom,’ followed by ‘Justice League: The Flashpoint Paradox’ in 2013, ‘Justice League: Throne of Atlantis’ two years later, ‘The Death of Superman’ in 2018, and ‘Reign of the Supermen’ in 2019. He will bring Guy Gardner to life in James Gunn’s feature film, ‘Superman,’ which hits theaters this summer. More details online at the link in bio. (Photos: Getty, Warner Bros.)