Actor Robert Carradine, known for Disney Channel's Lizzie McGuire, died at 71 after a decades-long battle with bipolar disorder. His family confirmed the news Monday, February 23, calling him "a beacon of light" and asking for privacy as they grieve. Brother Keith Carradine told Deadline the family wanted to shed light on his "valiant struggle," saying there is no shame in the illness. Carradine's credits included Revenge of the Nerds, Mean Streets, ER and Lizzie McGuire, where he played Sam
