Robert Carradine, a recognizable face in television and known for his role as the father in "Lizzie McGuire," has passed away at the age of 71. His family announced his death, revealing that he had been battling bipolar disorder for two decades, a condition that significantly impacted his personal and professional life. The family hopes to destigmatize mental illness by sharing his story, emphasizing that there is no shame in being ill. Carradine, born in 1954 and the youngest son of actor John Carradine, began his acting career in the 1970s, gaining popularity with the "Revenge of the Nerds" franchise before becoming a generational figure as Sam McGuire in the Disney series. His co-star Hilary Duff expressed her grief, remembering his warmth and the strong bond on set.