Lizzie McGuire star Robert Carradine is dead at age 71 after a decades-long battle with Bipolar Disorder. Carradine's family confirmed the news of his death on Monday, February 23. "It is with profound sadness that we must share that our beloved father, grandfather, uncle, and brother Robert Carradine has passed away," they told Deadline in a statement. "In a world that can feel so dark, Bobby was always a beacon on light to everyone around him.