Bollywood filmmakers Imtiaz Ali and Rakeysh Omprakash Mehra are impressed actor Dhanush, and said they would love to collaborate with him. The 30-year-old actor made a sparkling Bollywood debut with Anand L Rai`s `Raanjhanaa` this year. His Tamil romantic drama `Maryan` also won him appreciation. After a special screening of `Maryan` here, Imtiaz said: "We have got a very good actor, who we can all line up to work with. I would definitely want to work with Dhanush."