Silambarasan
Shiva
Nayanthara
Mylaa
Andrea Jeremiah
Priya
Soori
Vaasu
Arjunan Nandakumar
Shiva's Friend
Jayaprakash
Shiva's Father
Madhusudhan Rao
Priya's Father
Dheepa Ramanujam
Mylaa's Mother
Jai Sampath
Surya, Mylaa's relative (guest appearance)
Santhanam
Sherlock Holmes (extended cameo appearance)
Udhayabanu Mageswaran
Mylaa's Father
Adah Sharma
Special Appearance in the song "Maaman Waiting"
Satyam Rajesh
Shiva's and Vaasu's friend