EXCLUSIVE: Hulu’s #OnlyMurdersInTheBuilding has locked in the first major cast addition for the upcoming fifth season. #KeeganMichaelKey has been tapped for a recurring role. Production on the new season started earlier this week in New York with the show’s four series regulars, stars/executive producers Steve Martin, Martin Short and Selena Gomez as well as Michael Cyril Creighton, returning. More details online at the link in bio.