Sources now reveal that Ajay had written a a bold investigative police officer role for the film. He was very keen to cast Prabhu Deva in that role but later as time went he changed the gender of the character. This paved way to cast South India’s leading actress Nayanthara.
Imaikaa Nodigal also has Madonna Sebastian as Atharvaa’s love interest. The film has music by Hip Hop Tamizha, Adhi and cinematography by R. D. Rajashekar.