Aug. 12 (UPI) -- Hulu released the trailer for Only Murders in the Building Season 5 on Tuesday. The new season premieres Sept. 9. This season, Charles ( Steve Martin ), Oliver ( Martin Short ) and Mabel ( Selena Gomez ) investigate the suspected murder of their doorman, Lester (Teddy Coluca). This leads them to a mafia family that includes a couple played by guest stars Renée Zellweger and Christoph Waltz . Zellweger's casting was announced in March . Bobby Cannavale, Dianne Wiest , Logan