The cast of the 2017 film Vivegam features Ajith Kumar in the lead role, portraying a skilled intelligence officer. His performance is complemented by Kajal Aggarwal, who plays the female lead, adding depth to the storyline. Supporting roles include Vivek Oberoi, who takes on the antagonist's character, and Akshara Haasan, who plays a significant part in the narrative. The film also features Karunakaran and Thambi Ramaiah in notable supporting roles, contributing to the overall dynamic of the cast.