Janardanan averages 7.41 across 28 rated films as an actor, ahead of Dileep at 6.71.
Dot size shows IMDb votes. Films with fewer than 1,000 votes sit on the baseline.
| Varnapakittu | 1997 | · | as Paulachan | as Ramaswamy Iyer |
| Punjabi House | 1998 | 8.1 | as Unnikrishnan | as Maninder Singh |
| Meenathil Thalikettu | 1998 | · | as Omanakkuttan | as Kunjiraman |
| Mr. Butler | 2000 | · | as Gopalakrishnan | Actor |
| Darling Darling | 2000 | · | as Aniyankutty | as Unnithan |
| Rakshasa Rajavu | 2001 | · | as Appu | as Chief Minister |
| Kuberan | 2002 | · | as Sidharthan | as Vasan |
| Sadanandante Samayam | 2003 | · | as Sadanandan | as Shankaran |
| Gramaphone | 2003 | · | as Sachidanandan | as Gregory |
| Vettam | 2004 | 7.4 | as Gopalakrishnan | as Fernandez |
| Kadhavaseshan | 2004 | · | Producer, as Gopinath | Actor |
| Chess | 2006 | · | as Vijay Krishnan | as Eeswara Varma |
| Inspector Garud | 2007 | · | as Madhavankutty | as Krishnan Nampoothiri |
| Crazy Gopalan | 2008 | · | as Gopalan | Actor |
| Bodyguard | 2010 | 6.8 | as Jayakrishnan | Actor |
| Kaaryasthan | 2010 | · | as Krishnanunni | Actor |
| Kammath & Kammath | 2013 | · | as Deva Raja Kammath | as Thirumeni |
| Jack & Daniel | 2019 | · | as Jackson Mathew | as Chief Minister |
| Voice of Sathyanathan | 2023 | 5.7 | as Sathyanathan, Producer | as Vaidyar |
