Mammootty averages 6.94 across 81 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.
| New Delhi | 1987 | 7.8 | as G. Krishnamoorthy | as Siddique |
| Soorya Manasam | 1992 | · | as 'Puttu' Urumees | as Urumees's Father |
| Vatsalyam | 1993 | 8.4 | as Meledathu Raghvan Nair | as M. A. Vijayakumaran Nair |
| Arayannangalude Veedu | 2000 | · | as Ravindranath Menon | as Suresh Nair |
| Valliettan | 2000 | · | as Arackal Madhavanunni | as Raghu |
| Dany | 2002 | · | as Dany | as Freddy |
| Sethurama Iyer CBI | 2004 | 7.2 | as Sethurama Iyer | as Balagopal |
| Thaskara Veeran | 2005 | · | as Arakkalam Baby | as Thommi |
| Balram vs. Tharadas | 2006 | · | as DYSP Balram | Actor |
| Prajapathi | 2006 | · | as Devarmadom Narayanan | as Giri |
| Annan Thambi | 2008 | · | as Appu | as Govindan |
| Kutty Srank: The Sailor of Hearts | 2009 | · | as Kutty Srank | as Fr. Yonus |
| Paleri Manikyam: Oru Pathirakolapathakathinte Katha | 2009 | 7.6 | as Haridas | as Balan Nair |
| Chattambinadu | 2009 | · | as Veerendra Mallayya | as Kattappilly Nagendran |
| Pranchiyettan and the Saint | 2010 | 8.2 | as Chirammal Eenashu 'Pranchi' Francis | as Jose |
| Kunjananthante Kada | 2013 | · | as Kunjananthan | as Dr. Rahman |
| Daivathinte Swantham Cleetus | 2013 | · | as Cleetus | as Father Sunny Vadakkumthala |
| Fireman | 2015 | 5.7 | as Vijay | Actor |
| White | 2016 | · | as Prakash Roy | Actor |
| Kasaba | 2016 | 4.5 | as Rajan Zachariah | as Chandra Sekharan |
| Puthan Panam | 2017 | 5.4 | as Nithyananda Shenoy | as Habeeb Rahman |
| Abhrahaminte Santhathikal | 2018 | 6.6 | as Derick Abraham | as Dinesh |
| Parole | 2018 | 4.8 | as Pullakkunnel Alex | as Abdu |
| Mamangam: History of the Brave | 2019 | 5.2 | as Chandroth Valiya Panicker | as Thalachennor |
| Madhuraraja | 2019 | 5.9 | as 'Madhura' Raja | as Rajendra Babu |
| Ganagandharvan | 2019 | · | as Kalasadhan Ullas | as Manoj |
| Shylock | 2020 | 5.1 | as Devan | as Felix John |
 Dominic and the Ladies' Purse | 2025 | 6.6 | as Dominic, Producer | as Soman Pillai |
 Chatha Pacha | 2026 | 6.3 | as Bullet Walter | as Shivan |
