Celebrity | Andy Griffith Andy Griffith Cause of Death Revealed Heart attack killed 86-year-old star By Rob Quinn Posted Jul 6, 2012 1:38 AM CDT Updated Jul 6, 2012 4:00 AM CDT Copied This Jan. 31, 1983 file photo shows Andy Griffith posing in Los Angeles to promote his film, "Murder in Coweta County." (AP Photo/Wally Fong, file) The death of Andy Griffith earlier this week was caused by a heart attack, according to a death certificate obtained by the AP. The 86-year-old actor suffered the attack 24 hours before his death, and he also suffered from illnesses including coronary artery disease and hypertension, the certificate states. Griffith, as per his wishes, was buried in his family cemetery in North Carolina within a few hours of his passing. Read These Next New batch of Epstein files contains more eyebrow-raising claims. Quitting Ozempic can be a risky proposition. A bird from the Galapagos is right now cruising far from home. Judge orders release of 5-year-old, father. Report an error