New information has been released concerning the shocking death of "Happy Days" star Erin Moran. The actress was found dead at her home in Indiana on Saturday and most likely died from complications of Stage Four Cancer according to TMZ reports. The celebrity news site reports that the Harrison County Sheriff's Department and county coroner believe, pending an official autopsy report, that the 56-year-old star "likely succumbed to complications of stage 4 cancer."

Erin Moran: did her financial problems play a part in her death?

Results from a toxicology report released earlier today revealed that "no illegal" drugs were found at the former "Happy Days"' star's death scene.

However, the preliminary autopsy reports indicate that Moran was battling stage four cancer. It has not been revealed what type of cancer Erin was secretly battling, however, Moran was a longtime smoker.

TV fans mourn the loss of Joanie Cunningham

As previously reported, there has been plenty of speculation circulating concerning the cause of Moran's death, ranging from a drug overdose, to a possible suicide. Moran, who played Joanie Cunningham, suffered from many person struggles, including financial, drug, and alcohol issues, along with depression throughout the past few decades.

Fans and former castmates continue to mourn the loss of "TV's Favorite Kid Sister," expressing their grief on social media. Most recently, Moran's "Happy Days" on and one-time off screen love interest, Scott Baio, expressed his sadness via social media.

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Erin began her acting career on the children's adventure show "Daktari" when she was just 8. Her earlier career roles also included guest spots on "The Don Rickles Show" and guest appearances on "Family Affair" and "My Three Sons" to mention a few. In 2007 Erin made a guest appearance on Scott Baio's reality series "Scott Baio is 45 and Single" to discuss their past relationship. Her last acting credit according to IMB is listed as 2010's "Not Another B Movie."

Moran was the second youngest of six children. She was married twice throughout her lifetime, first to Rocky Ferguson from 1987–1993, then to Steven Fleischmann from 1993 until her death. At this time, Moran's family members have not yet commented on Erin's death. Funeral arrangement details have not yet been released.