 In October 2011, it was announced Cooper had taken a medical leave, and the role was temporarily recast with Michael Learned.Shortly after, it was announced Cooper had returned to work, reclaiming the role on December 23, 2011. Cooper's final appearance as Katherine aired on May 3, 2013, five days before her death.A CGI version of Cooper as Katherine appeared at the character's funeral on September 4, 2013.