His other screen credits include the TV show Merlin (which also starred Janet Montgomery, Cal MacAninch, and Alice Patten), the 2009 film Sherlock Holmes (which also starred Geraldine James), and Charlie and the Chocolate Factory.
- Fox was originally reported to be portraying John Bullock, the character played by Andrew Alexander.
- James Fox is the brother-in-law of Joanna David (she played The Duchess of Yeovil)
- He is the brother of the actor Edward Fox. Edward Fox had been married to actress Tracy Reed (1958–1961). Reed is the granddaughter of the socialite Freda Dudley Ward, played by Janet Montgomery (who portrayed the daughter of James Fox's character in Merlin).
- Fox had guest-starred on the show Death in Paradise. Gary Carr had previously been part of the show's main cast. Other guest actors included James Faulkner, Rob James-Collier, Joanna David, Adrian Lukis, Zoe Boyle, Amy Nuttall, Samantha Bond, Kevin Doyle, Julian Ovenden, Anna Chancellor, and Julian Wadham.
- He starred in Cambridge Spies, as did Patrick Kennedy, Ronald Pickup, and Imelda Staunton; Gareth Neame was an executive producer.
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