Renée Zellweger has joined the cast of “Only Murders in the Building” Season 5, alongside Christoph Waltz and Keegan-Michael Key. Plot details for the new season are being kept under wraps as production is currently underway. Zellweger, a two-time Academy Award winner, is known for her roles in films like “Cold Mountain” and “Judy,” and has also found success in television with series like “What/If” and “The Thing About Pam.” The star-studded cast of “Only Murders in the Building” Season 5 includes Steve Martin, Martin Short, Selena Gomez, Meryl Streep, Eugene Levy, and more, with the show receiving 21 Emmy nominations for its third season.