Nawazuddin Siddiqui, who plays the lead role of Saadat Hasan Manto, today took to Twitter to thank Rishi for joining the cast.
"It was indeed a pleasure sharing the screen with @chintskap Sir. What an amazing energy you possess even now," he wrote.
The 64-year-old actor also thanked Nawaz and expressed a desire to work with him in future.
"Thank you Nawaz! Did that bit for Nandita Das and "Manto"-title role played by you. We will have fun working together in the future. Regards!" Rishi tweeted.
"Manto" also stars Rasika Dugal in the role of the writer's wife Safiyah.