Robert Carradine, the esteemed American actor widely recognized for his iconic roles as Lewis Skolnick in the 1984 comedy film “Revenge of the Nerds” and Sam McGuire, the beloved patriarch in the 2001 Disney Channel original series “Lizzie McGuire,” has passed away at the age of 71. His family has confirmed that his death was a result of taking his own life, following a courageous and nearly two-decade-long battle with Bipolar Disorder.

The Carradine family, which stands as one of Hollywood’s most storied acting dynasties, released a heartfelt statement expressing their profound grief and highlighting Robert's valiant struggle. “It is with profound sadness that we must share that our beloved father, grandfather, uncle, and brother Robert Carradine has passed away. In a world that can feel so dark, Bobby was always a beacon of light to everyone around him. We are bereft at the loss of this beautiful soul and want to acknowledge Bobby’s valiant struggle against his nearly two-decade battle with Bipolar Disorder. We hope his journey can shine a light and encourage addressing the stigma that attaches to mental illness. At this time we ask for the privacy to grieve this unfathomable loss. With gratitude for your understanding and compassion.”

Tributes poured in from former co-stars who fondly remembered his warmth and immense talent. Hilary Duff, who played his on-screen daughter Lizzie McGuire, shared an emotional Instagram post upon learning the news. “This one hurts,” she wrote. “It’s really hard to face this reality about an old friend. There was so much warmth in the McGuire family and I always felt so cared for by my on-screen parents. I’ll be forever grateful for that. I’m deeply sad to learn Bobby was suffering. My heart aches for him, his family and everyone who loved him.”

Jake Thomas, who portrayed Carradine’s son Matt McGuire on the Disney sitcom, also honored his memory on Instagram. “My heart hurts today,” Thomas expressed. “I was fortunate to know Bobby for most of my life. And he was one of the coolest guys you could ever meet. Funny, pragmatic, sometimes cranky, always a little eccentric. He was a talented actor, musician and director. But more than anything, he was family. I have many fond memories of being with him and his family throughout my life. Good moments, challenging moments and lots of laughs in between.” Thomas added, “I looked up to him growing up. And later, I came to realize he thought I was pretty neat, too. So I guess I was doing something right.”

Born on March 24, 1954, Robert Carradine hailed from a distinguished family deeply rooted in entertainment. His father was the legendary actor John Carradine, and his brothers, David and Keith Carradine, were also accomplished actors and filmmakers. His third sibling, Christopher Carradine, pursued a career as a Disney Imagineer. Robert made his big-screen debut in 1972 in the western “The Cowboys,” where he starred alongside cinematic icon John Wayne, a role he secured after being encouraged to audition by his brother David, who told him he had “everything to gain, and nothing to lose.”

His diverse filmography includes acclaimed works such as Hal Ashby’s Oscar-winning “Coming Home” (in which he appeared alongside Jane Fonda and Jon Voight) and Martin Scorsese’s 1973 film “Mean Streets.” Beyond these pivotal roles, Carradine also appeared in notable productions like “Escape from L.A.,” “The Big Red One,” “Body Bags,” “The Long Riders,” and Quentin Tarantino's “Django Unchained.” However, for many fans, it was his indelible portrayal of the endearing, bespectacled nerd Lewis Skolnick that cemented his lasting place in pop culture history.

His older brother, Keith Carradine, spoke candidly about Robert’s mental health battle, emphasizing the family's desire for transparency and support. “We want people to know it, and there is no shame in it. It is an illness that got the best of him, and I want to celebrate him for his struggle with it, and celebrate his beautiful soul. He was profoundly gifted, and we will miss him every day. We will take solace in how funny he could be, how wise and utterly accepting and tolerant he was. That’s who my baby brother was.”

Robert Carradine is survived by his children, grandchildren, brothers, nieces, nephews, and a wide circle of friends and colleagues, leaving behind a legacy of memorable performances and a family deeply committed to fostering greater awareness and understanding of mental health challenges.