United Kingdom, April 20 -- Catherine O'Hara produced "unbelievable" scene rewrites for Schitt's Creek.

Her co-star on the series -and its co-creator Dan Levy made the admission as he reflected on the late actress' work and legacy following her death at the age of 71.

Best known for her role as Moira Rose in the award-winning sitcom Schitt's Creek, Catherine died on 30 January at her home after a brief illness.

Dan has now spoken about her creative influence during an appearance on the podcast Conan O'Brien Needs a Friend, hosted by Conan O'Brien.

Conan said on the show: "I remembered thinking it was such a nice thing for Catherine to have that role during that last decade of her life, where she was playing someone who was beloved, be...