Erin Moran, the actress who played Joanie Cunningham on the sitcom Happy Days has died. She was 56. The Associated Press confirmed the passing, indicating that Moran was found unresponsive on Saturday afternoon by authorities in Indiana after they got a call just after 4 PM ET. No cause of death has been revealed at this time and an autopsy is pending. The actress rose to fame in the ’70s after appearing as Ron Howard’s Richie Cunningham’s little sister on Happy Days. The… Read entire story.