Many compared John Abraham's character to that of Alia Bhatt in Raazi 2018.
Romeo Akbar Walter is highly inspired from the real incident happened in 1971 of Ravindra Kaushik (a.k.a. Nabi Ahmed Shakir) was an alleged Indian Research and Analysis Wing (RAW) agent who lived undercover in Pakistan before he was jailed and would die while incarcerated.
Shahdab Khan's comeback film after 19 years since Refugee 2000 as an actor.In Daawat E Ishq 2014 he was part of a Qawaali song.
Sushant Singh Rajput was the original choice.
Suchitra Krishnamurti's comeback after 09 years since Mitthal VS Mitthal 2010.