An eternal romantic falls in love with the girl his father has decided to get him married to, but will his past love affair prove to be a problem?

Silambarasan
as Shiva

Nayanthara
as Mylaa

Andrea Jeremiah
as Priya

Soori
as Vaasu

Arjunan Nandakumar
as Shiva's Friend

Jayaprakash
as Shiva's Father

Madhusudhan Rao
as Priya's Father

Dheepa Ramanujam
as Mylaa's Mother

Jai Sampath
as Surya, Mylaa's relative (guest appearance)

Santhanam
as Sherlock Holmes (extended cameo appearance)
timesofindia
The biggest strength of Idhu Namma Aalu is its leads — Simbu and Nayanthara. It is canny stunt casting, and this is one of the few things that director Pandiraj has gotten right in this film. The audience know that they share a history, and Pandiraj uses this fact and tries to spin a romance around ...