Catherine O’Hara Proved That One-of-a-Kind Comedy Is a Team Sport

Improv comedy’s golden rule is to say, “Yes, and …” to advance a scene partner’s vision and raise the comedic stakes. Few understood this better than Catherine O’Hara, who died on Friday at age 71 after a brief illness. The Emmy and Golden Globe–winning actor had a knack for executing a writer-director’s vision, while remaining true to her singular sensibilities—a star and a team player all wrapped in one wildly entertaining performer.

“Why work alone if you don’t have…