Film was earlier changed from Blackmail to Raita and then again changed to Blackmail.
Film released few days after Irfan Khan disclosed that he is suffering a rare tumor.He wasn't available for the films Premiere as he had to leave for US for his treatment.
Irfan Khan and Pardyuman Singh are named Dev and Anand which marks a tribute to legend actor Dev Anand.
Omi Vaidya's comeback Hindi film after 6 years.His last release was Jodi Breakers 2012.
Urmila Matondkar seen in a Hindi film after 10 years.Her last release was EMI in 2008.
Urmila Matondkar was the first and only choice of Abhinay Deo to perform on the song Bewafaa Beauty.
The film was originally to be produced by Rakesh Roshan when it was announced in 2015. The cast then was Irfan Khan, Aditi Rao Hydari, Kunal Kapoor, Kunal Roy Kapoor and Vijay Raaz. But it didn't take off at that point
Urmila Matondkar made Special appearance in a item number song Bewafa Beauty in this movie