Nathan Fillion's Guy Gardner Confirmed for Expanded Role in HBO's 'Lanterns'

The Green Lantern character will debut in James Gunn's 'Superman' before returning in the True Detective-inspired HBO series, now in production.

Nathan Fillion will portray Guy Gardner, a brash and fearless Green Lantern, debuting in 'Superman' on July 11, 2025, before reprising the role in HBO's 'Lanterns.'
The 'Lanterns' series follows Green Lanterns Hal Jordan (Kyle Chandler) and John Stewart (Aaron Pierre) investigating a dark, Earth-based murder mystery in the American heartland.
Fillion joins a cast that includes Ulrich Thomsen as Sinestro and Chris Coy as a mysterious new character, Waylon Sanders, in a guest role.
'Lanterns,' produced by HBO with showrunner Chris Mundy, adopts a grounded tone blending sci-fi elements with a True Detective-style narrative.
Set to premiere in 2026, 'Lanterns' is part of James Gunn and Peter Safran's interconnected DC Universe, aiming to unify cinematic and television storytelling.