Schitt's Creek star Sarah Levy has shared her devastation following the news of costar Catherine O'Hara's death. O'Hara was 71. Posting via Instagram on Friday, January 30, Sarah, 39, uploaded a photo in tribute and shared how the loss of the actress affected her. "This one cuts deep. What an honor it has been to know and work with and love Catherine O'Hara," Sarah wrote in the caption. "Cheers to all that you brought to this world - you will be so, so missed.