PK is a 2014 Indian comedy-drama film directed by Rajkumar Hirani, produced by Hirani, Vidhu Vinod Chopra and Siddharth Roy Kapur, and written by Hirani and Abhijat Joshi.[3][4] The film stars Aamir Khan in the title role, with Anushka Sharma, Sushant Singh Rajput, Boman Irani, Saurabh Shukla, and Sanjay Dutt in supporting roles. It tells the story of an alien who comes to Earth on a research mission and befriends a television journalist.