Sivan: Cast
C. Arun Pandian
Alex/Sivan
Radikaa Sarathkumar
Sivagami
Napoleon
Murugan
Ahana
Ahana
Swathi
Shenbagam
Janaki
Murugan's mother
King Kong
Nattu
Uday Prakash
Uday
Kalyan Kumar
Special Appearance
Alphonsa
Special Appearance
Rani
Special Appearance
Naga Kannan
Jupiter