‘Breaking Bad’ Star RJ Mitte’s Cause of Death Has Been Revealed as Co-Stars and Fans Mourn

Few supporting characters on television carried as much quiet weight as Walter White Jr. In ‘Breaking Bad’, the teenager known as Flynn spent years at the edge of his father’s criminal empire, leaning on his crutches and eating breakfast while the adults around him unraveled. The actor who gave him that warmth, RJ Mitte, is now being remembered by fans and former colleagues around the world.

Created by Vince Gilligan, Walt Jr. is the son of Walter and Skyler White, and he has cerebral palsy. Mitte lived with the same condition, though his own case was milder, and he appeared in 56 episodes across all 5 seasons of the series. For many viewers, it was a rare case of a disabled character played by an actor who understood the experience firsthand.

On Monday, October 12, a county official confirmed to TMZ that Mitte had died in Texas. He was 34. The cause of death has now been addressed publicly, and the details come with the care a story like this deserves.

His representatives confirmed that he died by suicide in Brownsville, Texas. The Associated Press reported that Cameron County Justice of the Peace Cyndi Hinojosa declared him dead at about 1:30 p.m. local time and said an autopsy would be performed. Law enforcement has said the death investigation is ongoing.

His representatives, speaking to TMZ, called him a “beloved actor, philanthropist, and passionate disability rights advocate.” The statement said he used his own experience with cerebral palsy to bring authenticity to the role and to build a platform on disability awareness and inclusion.

Mitte’s work reached well beyond one television family. He served as an ambassador for United Cerebral Palsy and Shriners Children’s, and as president of The Mitte Foundation. That family charity, based in Austin, funds community projects in South Texas, including the Mitte Cultural District in Brownsville.

He was diagnosed with cerebral palsy at age 3 and wore leg braces and used crutches for much of his childhood. He turned that experience into a public message about representation. Earlier this year, he spoke at an Axios event about the harm caused by inaccurate or one-dimensional portrayals of people with disabilities.

Mitte’s recent appearances suggest an actor still deeply engaged with the show that made him famous. He had recently appeared on a podcast to revisit ‘Breaking Bad’ and share his thoughts on what happened to the White family after its ending. He addressed the fan theories that Walter’s children eventually received his money.

He had also recently spent time with former costar Luis Moncada. In October 2025, he announced his engagement to Kennedy Suarez, and he told People at the time about the happiness he had found in the relationship. That makes this news especially hard for the fans who followed his life after the show.

He was also still working. At the time of his death, he had several projects in pre-production and production and was actively promoting his new movie, ‘Talking to Strangers’.

The reaction from his former colleagues has been swift. ‘Breaking Bad’ co-stars have begun sharing their heartbreak, and fans are revisiting scenes of Walt Jr. that now land differently. The character was often the show’s emotional anchor, and Mitte played him with a sincerity that audiences never forgot.

His legacy is as much about what he did off screen as on it. He helped push the conversation about disabled performers forward, and the people who followed his advocacy are now carrying that message on in his memory.

Share your favorite memory of RJ Mitte’s performance as Walt Jr., and what his advocacy meant to you, in the comments.