மிஸ்டர் ரோமியோ

Madhoo as Madhoo Vijayakumar as DGP Vijayakumar Surendra Pal as Sathyamoorthy Delhi Ganesh as Romeo's father Mohan Raman Crazy Mohan as Shop manager Uday Prakash Prabhu Deva as Madras/ Romeo Shilpa Shetty Kundra as Shilpa Vadivelu as Vavval Venniradai Moorthy as Madhu's grandfather Madhan Bob as Sabapathy Rohini as Shilpa (voice)

Ila Arun Playback Singer Swarnalatha Playback Singer Unni Menon Playback Singer Udit Narayan Playback Singer Vaali Lyricist Hariharan Playback Singer S. P. Balasubramaniam Playback Singer Srinivas Playback Singer Sadhana Sargam Playback Singer Vairamuthu Lyricist Crazy Mohan Dialogue Sonu Nigam Playback Singer A.R. Rahman Original Music Composer Noel James Playback Singer Kavita Krishnamurthy Playback Singer Sujatha Mohan Playback Singer