Actor Vishwanath who essayed a key role in director Pa. Ranjith’s Kabali has been signed on to play a significant role in director Vijay Chandar’s untitled project starring Vikram and Tamannaah in the lead roles. Vishwanath plays Vikram’s friend in the movie and his character is on the lines of Kalaiyarasan’s character in Madras. Actors Radha Ravi and RK Suresh have been roped in to play negative roles. Composer Thaman will be scoring the music.