The cast of the film Vivegam (2017) features Ajith Kumar in the lead role, portraying a skilled intelligence officer named Vivek. His performance is complemented by Kajal Aggarwal, who plays the female lead, Akira, adding depth to the storyline. Supporting roles include Vivek Oberoi, who takes on the antagonist role as Vivek's former friend turned enemy. Additionally, Karunakaran and Aparna Vinod contribute to the film's narrative, enhancing the overall experience with their performances. The ensemble cast brings together a mix of talent that elevates the action-thriller genre.