காதலர் தினம்

Chinni Jayanth as Mandi Rambha as Special Appearance (for song Oh Mariya) Lekha Washington as Uncredited Role Johny Lever as Jack, a college professor (Hindi Ver) Kunal Singh as Raja Sonali Bendre as Roja Nassar as Dean Ramachandra Ragasudha as Roja's friend Manivannan as the man talking with Raja in railway station Anupam Kher as the man talking with Raja in railway station (Hindi Ver) Raju Shrestha as Raju, Raja's friend (Hindi Ver) Goundamani as Romeo

Febi Mani Playback Singer Udit Narayan Playback Singer P. C. Sreeram Director of Photography B. Lenin Editor Kavita Krishnamurthy Playback Singer M. G. Sreekumar Playback Singer Srinivas Playback Singer Devan Ekambaram Playback Singer Abhijeet Bhattacharya Playback Singer Vaali Lyricist Unni Menon Playback Singer P. Unnikrishnan Playback Singer Hariharan Playback Singer A.R. Rahman Original Music Composer Yugendran Playback Singer Kathir Director, Story, Screenplay S. P. Balasubramaniam Playback Singer Swarnalatha Playback Singer