Maria O'Brien has died at the age of 75. The actress , who was the daughter Edmond O’Brien and Olga San Juan, starred in numerous TV shows like Tom Selleck's Magnum PI , Matlock, and Murder, She Wrote throughout her career. It was announced on Wednesday that she had passed away at home towards the end of February , according to Variety . No cause of death has been issued at present. The star is survived by her children James, Danica, and Sean. The star was clearly destined for a career in