The makers of Gang Leader have released a promotional song from the film titled 'Gangu Leader'. Lead actor Nani and music composer Anirudh Ravichander feature in this peppy song which introduces each member of the gang headed by Nani, who essays the role of Pencil, a crime novel writer. 

Directed by Vikram Kumar, the film is set to hit the screens on September 13, 2019. The movie is bankrolled by Mythiri Movie Makers. Karthikeya, Priyanka Arul Mohan, Lakshmi, Saranya, Aneesh Kuruvilla, Priyadarshi, Raghubabu, Vennela Kishore, Jaija, Pranya and Sathya play supporting cast.