Schitt's Creek star Dan Levy broke their silence after Catherine O'Hara's shocking death at age 71. "What a gift to have gotten to dance in the warm glow of Catherine O'Hara's brilliance for all those years," Dan, who is the costar and co-creator of the Emmy-winning series with father Eugene Levy, wrote via Instagram on Friday, January 30. "Having spent over fifty years collaborating with my Dad, Catherine was extended family before she ever played my family. It's hard to imagine a world without her in it. I will cherish every funny memory I was fortunate enough to make with her.