The cause of death for beloved ‘Superstore’ actor Jon Miyahara has finally been revealed, nearly three weeks after his passing at the age of 83. According to a death certificate obtained by PEOPLE, Miyahara succumbed to cardiopulmonary arrest, heart failure with reduced ejection fraction, and coronary artery disease. Cardiopulmonary arrest occurs when both heart function and respiration cease, leading to death, as outlined by the National Library of Medicine. The certificate also highlighted contributing factors such as end stage renal disease, diabetes, hypertension, and hyperlipidemia.
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The news of Miyahara’s death was first confirmed to PEOPLE on August 7, with his daughter Pennie Cappasola sharing that he had passed away on Wednesday, August 6, with his wife, Chiyo, at his side. Miyahara’s significant role as Brett on NBC’s sitcom ‘Superstore’ made him a cherished figure among fans and colleagues. Colton Dunn, his costar on the show, expressed his condolences on social media, praising Miyahara’s talent and character. The actor’s impact on the ‘Superstore’ team was profound, with his presence leaving a lasting impression.
‘Superstore,’ a workplace comedy centred around the staff of the fictional store Cloud 9, garnered a dedicated following during its run from 2015 to 2021. Miyahara’s portrayal of Brett contributed to the show’s success, with his IMDb page indicating his appearances in 105 out of 113 episodes across six seasons. The news of his passing prompted an outpouring of support and fond memories from his fellow cast members, underscoring the positive influence he had on those around him.

As tributes continue to pour in, it is evident that Jon Miyahara’s legacy will endure through his work and the impact he had on those who knew him. His contributions to ‘Superstore’ and the entertainment industry at large will be remembered with fondness and appreciation. The news of his cause of death adds clarity to his passing, allowing fans and well-wishers to honour his memory and celebrate his life and career. May Jon Miyahara’s spirit live on through the laughter and joy he brought to audiences worldwide.
