John Leeson, Beloved Voice of Doctor Who’s K-9, Dies at 83

WHO:

Deadline - Leeson’s family confirmed his death.

Screen Rant - John Leeson was the voice actor for K-9, a character in *Doctor Who*.

Variety - John Leeson was an English actor who voiced K9 on *Doctor Who*.

Variety - Leeson’s son, Guy Ducker, announced his death.

Variety - Ducker referred to his father as “John Ducker, aka John Leeson.”

Reddit Movies - A post described Leeson as a *Doctor Who* actor and the voice of K-9.

WHAT:

Deadline - Leeson’s family confirmed his death in a Facebook post by his son, Guy Ducker.

Screen Rant - Leeson died at age 83.

Variety - Leeson died at age 83.

Variety - Ducker announced his father’s death in a Facebook post.

Variety - Ducker wrote, “I regret to announce the death of my father, John Ducker, aka John Leeson, at 3:03 p.m. today after a summer of illness.”

Reddit Movies - The post reported that Leeson passed away at age 83.

Screen Rant - The article stated that Leeson died on Sunday, November 1, 2026.

Variety - Ducker’s quoted announcement gave the time of death as 3:03 p.m. and said Leeson had been ill “after a summer of illness.”

WHY:

Deadline - Ducker said Leeson died “after a summer of illness.”

Variety - Ducker said Leeson died after “a summer of illness.”

(UPDATED November 2, 2026 17:02 UTC)

John Leeson, the English actor who voiced Doctor Who’s robotic dog K-9, has died at 83. His son, Guy Ducker, announced his father’s death in a Facebook post, identifying him as John Ducker, also known as John Leeson. Ducker said Leeson had been ill through the summer.

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(UPDATED November 2, 2026 16:04 UTC)

John Leeson, the voice of Doctor Who’s beloved robot K-9, has died at 83. His son, Guy Ducker, announced the actor’s death after a summer of illness. Leeson voiced K-9, becoming closely associated with the long-running science-fiction series.