Watch : Tom Chadbon, 'Game of Thrones' & 'Doctor Who' Actor, Dead at 80The world has lost a veteran actor. Tom Chadbon—whose decades-long acting career include appearances in Game of Thrones, Doctor Who and Casino Royale—died last weekend at age 80, according to Fantom Events, which hosted a signing with the British star earlier this year. Most notably, he played private detective Duggan alongside Tom Baker’s Doctor in the 1979 Doctor Who serial "City of Death." "Tom Chadbon was terribly funny. Terribly funny!"