 In 2016, Bonham Carter said she was keen on the UK remaining in the European Union in regard to the referendum on that issue.In 1994, Bonham Carter and Kenneth Branagh met while filming "Mary Shelley's Frankenstein".They began an affair while Branagh was still married to Emma Thompson, whom he had met in 1987 while filming the BBC Series "Fortunes of War" and married in 1989.