The entertainment world is mourning the loss of veteran actor Robert Carradine, best known to a generation as the lovable Sam McGuire on Disney’s *Lizzie McGuire*. Carradine passed away at the age of 71, with his family confirming that he died by suicide following a long-term battle with bipolar disorder. His brother, Keith Carradine, issued a statement celebrating Robert’s “beautiful soul” and urged the public to view his struggle with mental illness without shame.

Hilary Duff, who played his on-screen daughter, led the tributes with an emotional Instagram post, describing Carradine as an “old friend” who provided immense warmth and care on set. Her co-star Jake Thomas, who played Matt McGuire, also shared a touching message, recalling Carradine as a “funny, pragmatic, and sometimes eccentric” mentor who felt like real family. Fans across social media have since shared memories of his iconic roles, including his legendary turn as Lewis Skolnick in *Revenge of the Nerds*.