Chad Everett, star of the '70s hospital drama "Medical Center," died July 24 after a long battle with lung cancer; he was 75 years old. Everett played surgeon Joe Gannon for seven seasons, earning a pair of Golden Globe nominations for the role. He was also a frequent guest star in recent years, appearing on "Melrose Place," "Castle," and "Supernatural."
TV Stars We've Lost in 2012
A look back at some of the television greats who have left us this year.