Hariharan Pilla Happiyaanu
| Director | : | Viswanathan Vaduthala |
| Producer | : | Johnny Thomas |
| Banner | : | Dickle Cinema |
| Story | : | PS Kumar |
| Screenplay | : | PS Kumar |
| Dialogue | : | PS Kumar |
| Lyrics | : | Rajiv Alunkal |
| Music | : | Stephen Devassy |
| Singers | : | KJ Yesudas, KS Chithra, MG Sreekumar, P Jayachandran, Sujatha Mohan, Biju Narayanan, Jyotsna, Kalabhavan Jimmi, Roshni |
| Actor | : | Mohanlal, Jyothirmayi, Siddique, Kaviyoor Ponnamma, Vijayaraghavan, Sudheesh, Salim Kumar, Kalabhavan Martin, Machan Varghese, CI Paul, Cochin Haneefa, Jagathy Sreekumar, Nikhil K Menon, Jagadish, Ponnamma Babu, TP Madhavan, Ambili Devi, Salu Koottanad, Priyanka, Kulappulli Leela |
| Status | : | Released |
| Release date | : | November 26, 2003 |
| Year | : | 2003 |