1. The film was previously titled ‘Atithi in London’.
2. ’Guest iin London’ is not a sequel to the 2010 movie ‘Atithi Tum Kab Jaoge’ in spite of the two titles having similarities.
3. It was extensively filmed in London, Birmingham and New York City.
4. This movie is leading lady Kriti Kharbanda’s second Bollywood movie after ‘Raaz: Reboot’.
5. Before Kriti Kharbanda, Lisa Haydon was considered as the female lead.