Idhu Namma Aalu

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