Saikumar averages 7.06 across 30 rated films as an actor, ahead of Siddique at 6.47.
Dot size shows IMDb votes. Films with fewer than 1,000 votes sit on the baseline.
| In Harihar Nagar | 1990 | 8.6 | as Andrews | as Govindankutty |
| Aayushkalam | 1992 | · | as Alex | as Hariprasad |
| Valliettan | 2000 | · | as Patteri Shivaraman Nair | as Raghu |
| Ravanaprabhu | 2001 | 7.2 | as Unni | as SP Sreenivasan Nambiar IPS |
| War & Love | 2003 | · | as Maj. Prabhakaran | as Capt. Kabeer |
| Sethurama Iyer CBI | 2004 | 7.2 | as Sathyadas | as Balagopal |
| Naran | 2005 | 7.3 | Actor | as Gopinathan Nambiar |
| The Tiger | 2005 | · | as Joseph Pothan | as John Varghese |
| Balram vs. Tharadas | 2006 | · | Actor | Actor |
| Prajapathi | 2006 | · | as M. L. A. | as Giri |
| Chota Mumbai | 2007 | 7.1 | as Phylwan Michael Aasan | as 'Mullan' Chandrappan |
| Madambi | 2008 | · | as Father Of Gopala Krishna Pillai & Rama Krishna Pillai | as Sri Raman's eldest son |
| Kutty Srank: The Sailor of Hearts | 2009 | · | as Unnithan | as Fr. Yonus |
| Run Baby Run | 2012 | 6.6 | as Bharathan Pillai | as Rajan Kartha |
| Simhasanam 2021 | 2012 | · | as Madhavan | as Ramanunni |
| Mr. Fraud | 2014 | · | as Sajan IPS | as Rajashekharavarma |
| Villali Veeran | 2014 | · | as Kadamberi Viswanathan | as Chandrasekharan |
| My Santa | 2019 | · | as Aisa's Grandfather | as Paul |
 Drishyam 2 | 2021 | 8.4 | as Vinayachandran | as Prabhakar |
| Kaduva | 2022 | 6.1 | as Kuncheria | as D.G.P. Rajasekharan Marar I.P.S. |
 Aaraattu | 2022 | 3.7 | as Sathyasheelan | as CI Sivasankaran |
 Rekhachithram | 2025 | 7.8 | as Francis Thadathil | as Rajendran |
| Thug CR 143/24 | 2025 | · | Actor | as Alexi Paul |
 Chatha Pacha | 2026 | 6.3 | as Kallath Mani | as Shivan |
