Jill Abbott is a fictional character from the American CBS soap opera The Young and the Restless. The longest-running (and only remaining original) character, Jill was created and introduced by William J. Bell. Originally portrayed by Brenda Dickson, when Dickson departed in 1980, the role was first recast with Deborah Adair. Dickson returned in 1983, and although she stated that she would never leave the role again, she was replaced by Jess Walton in 1987, who continues in the role to present time.