 Hopkins complied, and several of Harvey and Kate's conversations were ad-libbed while keeping within the dictates of the plot.London locations seen in the film include Willesden Green, Belsize Park, Green Park, Maida Vale, the Millennium Dome on the Greenwich peninsula, the east Golden Jubilee Bridge, the Royal National Theatre at Southbank Centre, Paddington station, Somerset House, St. John's Wood, Waterloo Bridge and Heathrow Airport in Greater London.The film received mainly positive reviews and has a 71% fresh rating on Rotten Tomatoes, based on 153 reviews with an average rating of 6.2 out of 10.