Dhanush

as Vasu

Nayanthara

as Keerthi

Raghuvaran

as Vasu's Father

Karunas

as Ganesh

Karthik Kumar

as Cheenu

Saranya Mohan

as Pooja

Sukumari

as Grandmother

Manobala

as Balu

K. Viswanath

as Keerthi's Grandfather

Ragasiya

as Special Appearance in "Oh! Baby Oh! Baby" Song

Rachana Maurya

as Special Appearance in "Nenjai Kasakki" Song