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John Leeson, the actor behind one of the most iconic Doctor Who characters, has sadly passed away.
Leeson, whose birth name was John Ducker, was best known for providing the voice of K-9, the beloved robotic dog from Doctor Who. The star has unfortunately died at the age of 83. The actor’s family confirmed his death on Facebook on Sunday, November 1, 2026, after being ill for quite some time.
Leeson’s passing was announced by his son, Guy Ducker. According to the social media post, the actor died after experiencing health problems throughout the summer. His son shared the news alongside a heartfelt goodbye that included a reference to William Shakespeare’s Hamlet.
Leeson first joined Doctor Who in 1977 as a voice actor portraying K-9 in the Fourth Doctor’s four-part episode titled “The Invisible Enemy.” The plot featured Tom Baker as the Doctor and Louise Jameson as his partner Leela. K-9 was a robotic dog that belonged to Professor Marius, a scientist who was played by Frederick Jaeger.
More to come…
This article covers a developing story. Continue to check back with us as we will be adding more information as it becomes available.
