The film stars his son Prithvi Rajan, whereas Sruthi, Manivannan, and the director himself play other important roles.

[3] Malini Mannath of Chennai Online opined that "With scenes and situations a little different from the routine ones, 'Kai Vantha Kalai' is a fairly engaging and a neatly packaged wholesome family entertainer".

[5] The Hindu wrote "Compared to the films of today, `Kai ... ' is so decently made that at points you feel Pandiarajan is caught in a time warp.

[1] Indiaglitz wrote "Supposedly a sequel to his yesteryear hit Aan Pavam, Pandiarajan has thrown out a simple and a straight forward film without many twists and turns that's worth a watch.

Amidst all action-packed films of the day, Kai Vandhai Kalai is a movie with a simple narration and little characters".