Dan Levy opened up about his grieving process and what has been a "great comfort" following the death of Catherine O'Hara. During the Canadian actor's appearance on 'The Tonight Show with Jimmy Fallon', Dan, 42, reflected on the passing of his close friend, sharing how much he has treasured seeing the outpouring of love for her. "One of the great, great, great, great queens." ❤️ 📸 : #DanLevy #CatherineOhara