Sivakarthikeyan as Sathya / Maaveeran

Aditi Shankar as Nila

Saritha as Eeshwari

Mysskin as Jeyakodi

Sunil Varma as Paramu

Yogi Babu as Kumar

Monisha Blessy as Raaji

Dhileban as Selvam

Semmalar Annam as Selvi

Balaji Sakthivel as C.M

Minor Yogi as Thannarasu

Madhan Kumar Dhakshinamoorthy as Dhanraj

Vijayalakshmi Veeramani as Devanesan's Wife

Douglas Kumaaramoorthy as Junior Engineer

Pazhani Murugan as Paguthi

Jeeva Ravi as Nila's Father

Suresh Chakravarthy as Psychiatrist

Ajith Srinivasan as Himself

Vijay Sethupathi as Maaveeran's Narrator

Ravi Teja as Maaveeran's Narrator (Telugu Version)