In the 1980s, Jon-Erik Hexum was a rising star in Hollywood, known for his striking looks and promising roles. His career, however, was cut short at the age of 26 due to a fatal on-set accident.

Hexum, who had previously appeared in the series Voyagers! and the made-for-television movie Making of a Male Model, landed his most significant role in the 1984 spy thriller series Cover Up. His co-star in the film, Joan Collins, recalled his talent and potential.

On October 12, 1984, while filming the seventh episode of Cover Up, tragedy struck. Frustrated by filming delays, Hexum began playing with a .44 magnum loaded with blank cartridges. In a moment of what was described as a "bored game of Russian roulette," he pointed the gun to his head and pulled the trigger.

The blank cartridge, though not a live round, propelled paper wadding from the barrel with significant force. This projectile shattered a portion of Hexum's skull, causing a massive hemorrhage in his brain. He was rushed to Beverly Hills Medical Center and underwent emergency surgery.

Six days later, on October 18, 1984, Hexum was declared brain-dead, just weeks before his 27th birthday. His organs were donated, saving the lives of several individuals.

Hexum's death was ruled accidental. His mother later reached an out-of-court settlement with the production companies involved. His girlfriend, E.G. Daily, expressed that she did not want his legacy to be defined by this single, tragic incident, emphasizing his passionate and "macho" personality. She also noted that he was under significant stress during the weeks leading up to his death.

Following Hexum's passing, his character in Cover Up was written out of the series, with a new agent introduced. An on-screen tribute aired at the end of an episode in November 1984, stating that "the lives he touched will continue to be brightened by his light."

Hexum, who grew up in Tenafly, New Jersey, had a passion for the arts instilled by his mother. After graduating from Michigan State University, he moved to Los Angeles to pursue acting. Despite his rising fame, he maintained a modest lifestyle. His career was on an upward trajectory, with potential for even greater stardom, but his life was tragically cut short by the freak accident.