Anupam Kher will play former Prime Minister Manmohan Singh in Vijay Ratnakar Gutte's The Accidental Prime Minister.
Actors Arjun Mathur plays Rahul Gandhi while Aahana Kumra essays Priyanka Gandhi, daughter of former Prime Minister Rajiv Gandhi and the then Indian National Congress President Sonia Gandhi.
Avatar Bhardawaj essays the role of former Prime Minister Atal Bihari Vajpayee.
Divya Seth Shah plays Mrs Gursharan Kaur, wife of former PM Manmohan Singh.
The shooting of political drama based on Baru's namesake book began in the English capital in April this year.
The film is based on a namesake book penned by Sanjay Baru (former media advisor to PM Manmohan Singh).