'All That' cast member Christy Knowings dies at 46 after asthma attack

Christy Knowings, a main cast member on Nickelodeon's 'All That' from 1997 to 2001, died at 46. TMZ reported on 13 August 2026 that an asthma attack left her with brain damage; she was placed on life support in Los Angeles and removed from it. Her aunt, Tyleah Joseph, confirmed the death on Facebook.