Award-winning actress Catherine O'Hara died of a pulmonary embolism, her death certificate has revealed.
O'Hara died on 30 January in a Santa Monica hospital, at the age of 71. In addition to the blood clot in her lungs, the death certificate listed rectal cancer as the long-term cause of death.
It was indicated that she had been receiving treatment for the cancer since March 2025.
Tributes have poured in for the actress, who most recently appeared in the Emmy-winning comedy The Studio and HBO's The Last of Us.
Actor and The Studio creator Seth Rogan said he was devastated by O'Hara's death, describing the actress as " hysterical, kind, intuitive, generous".
