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 .
In 1994 , Bonham Carter and Kenneth Branagh met while filming Mary Shelley 's Frankenstein .
They began an affair , while Kenneth Branagh was still married to Emma Thompson , whom Kenneth Branagh had met in 1987 while filming the BBC Series Fortunes of War and married in 1989 .
In 1994 , Bonham Carter and Kenneth Branagh met while filming Mary Shelley 's Frankenstein .