Ronny Hallin, TV Producer and Sister of Garry and Penny Marshall, Dies at 88

Ronny Hallin, actor and producer on 1970s and 1980s sitcoms and sister of Garry and Penny Marshall, died at home on Tuesday, Oct. 27, at age 88, according to her daughter Penny Hallin, Deadline reported. From 1977 she produced and cast Happy Days, Laverne & Shirley and Mork & Mindy. She is survived by three daughters. No funeral arrangements have been announced.