Diana Penty who was selected to play a lead part was replaced by Lisa Haydon. However Lisa then pulled out and the role went to actress Kriti Kharbanda
Guest Iin London was initially scheduled to release on 2nd June then shifted to release on 16th June and now decided to book 7th July slot. Riteish Deshmukh's comedy drama Bank Chor is releasing on 16th of June, so Guest Iin London makers decided to cancel clash with other comedy drama.