Panchavan Parivendhan / Kosaksi Pasapugazh (as 'Ilayathalapathi' Vijay)
Sevalkodi Senthil
Venkat Ramakrishnan
Riya
Virumandi Santhanam
Srivatsan
Venkat's father (as Narein)
Panchavan Parivendan (as S.J. Surya)
Paneerselvam
Riya's Fiance
Venkat's mother
Librarian Bose
Education Minister
Panchavan Parivendan's Father
Virus's assistant
Interviewer (as Chitkara Saahil)
Senior student
Millimeter
Exam Supervisor
College senior
Special appearance
Shwetha Santhanam
Centimetre
older Manimaran, nicknamed 'Centimetre'