Laura Linney has joined the cast of “Lanterns,” an upcoming DC Studios series for HBO and HBO Max, which premieres August 16. Deadline reports that Linney appears briefly in a trailer released Monday. The series stars Kyle Chandler and Aaron Pierre, and it also features Kelly Macdonald, Garret Dillahunt, Poorna Jagannathan, Jason Ritter, and Ulrich Thomsen. Variety similarly confirms Linney’s official casting and lists these previously announced cast members. Both outlets note that the show is part of the Green Lantern universe, with Variety stating that Nathan Fillion will reprise his role as fellow Green Lantern Guy. While details about Linney’s character are not specified in the provided excerpts, the sources agree that her addition expands the ensemble ahead of the network premiere. The trailer footage functions as the first public glimpse of her participation in the series, alongside the other announced cast members.