He also earned cult recognition for playing Martin in the sitcom Peep Show and portrayed High Septon Maynard in the 2017 season finale of Game of Thrones.
His film credits included roles in Tess, Juggernaut, The Alf Garnett Saga, and the 2006 James Bond blockbuster Casino Royale, where he played a stockbroker during the high-stakes poker scene.
Former colleagues paid tribute online.
Writer Cavan Scott said, "So sorry to hear the passing of the great Tom Chadbon who I shared many a happy studio session with while producing Blake's 7, not to mention the storyfilled meals after recordings.
An absolute gent. God speed, Tom."
Actress Lisa Bowerman also expressed her condolences. "Oh no...
I hadn't heard," Bowerman said. "How incredibly sad.
He was wonderful."
Online fan communities celebrated his legacy.
Peep Show fan page Dobby Club wrote on X: "RIP to the legend Tom Chadbon who starred in Peep Show as Martin aka Indiana Ashdown."
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Chadbon's final television performance was in Game of Thrones in 2017.
