Checkmate was an Indian Bengali television thriller series which aired on Star Jalsha from 21 January 2012 to 15 June 2012.^[1]

The show was basically a thriller, where the main protagonist was detective Mrinalini Dastidar (played by Aparajita Ghosh Das). She along with her associates used to solve the mysteries. ^[2]

• Saurabh Chatterjee as Amolendu Dostidar
• Aparajita Ghosh Das as Detective Mrinalini Dostidar^[3]
• Amitabh Bhattacharjee as Aditya Sen
• Suchismita Chowdhury as Aporna
• Rupa Bhattacharjee as ACP Sreeja Sen
• Rimjhim Mitra as ACP Sreeja Sen
• Rajanya Mitra as Esha
• Indrani Basu as Mira
• Kaushik Bhattacharya as Hirok
• Somjita Bhattacharya as Madhuja's Friend
• Jayanta Dutta Burman as Derek
• Anindya Chakraborty as Kaushik Mukherjee
• Soma Banerjee as Anjalimashi
• Saheb Chatterjee as Rohit (Goenda Keutey)
• Swaralipi Chatterjee as Ritu
• Biplab Dasgupta as OC Dutta
• Gautam Dey as Adheer Sinha
• Kaushik Ghosh as Amit Lahiri
• Rajesh Kr Chattopadhyay as Sanjoy
• Ratna Ghoshal as Sanjoy's Mother
• Jagannath as Amitabha Choudhury
• Ekavali Khanna as Avantika (2 episodes, 2012)
• Anusuya Majumdar as Julia Aunty
• Samrat Mukherjee as Barun Sen
• Sudip Mukherjee as Neel Roy Burman
• Pushpita Mukhopadhyay as Protima
• Saptarshi Ray as Akash
• Sayantani Sengupta as Anita
• Soumyo as Joy
• Zoyeb as Imon
• Aparna as Ela
• Arindoi Bagchi as Jahor
• Diganta Bagchi as Partho
• Anindya Banerjee as Aniruddho Ghosh (Public Prosecutor)
• Joyjit Banerjee as Shyam
• Kamalika Banerjee as Dr. Bonolota Dutta
• Runa Banerjee as Lalita Sen
• Suman Bannerjee as bhoy
• Arghya Basu as Anirban
• Damini Basu as Shiuli
• Tulika Basu as Kasturi Samonto
• Dipanjan Bhattacharya as Sumit Sanyal
• Joy Bhattacharyya as Bibek
• Titas Bhowmik as Rojoni
• Riju Biswas as Suresh Bagh
• Abhrajit Chakraborty as Shekhar Dasgupta
• Arun Chakraborty as Mike
• Bobby Chakraborty as Ranodeb Burman
• Kaushik Chakraborty as Gautam
• Kushal Chakraborty as Aniruddho Bose
• Subhadra Chakraborty as Madhobi
• Aditi Chatterjee as Shompa Dasgupta
• Bhaswar Chatterjee as Promit Guha
• Debjani Chattopadhyay as Dolon
• Mita Chatterjee as Shushiladebi
• Shubhomoy Chatterjee as Manohor
• Sonali Chowdhury as Ilina Chakraborty
• Dwaipayan Das as Arpan Dutta
• Manali Dey as Gouri
• Debjani Deb as Jonaki
• Pradip Dhar as Prottoy Biswas a.k.a. Potka
• Debolina Dutta as Advocate Ahona Ghosh
• Joymala Ganguly as Nondini Sen
• Pijush Ganguly as Akhil
• Nandini Ghosal as Mrs. Sanyal
• Chandrayee Ghosh as Ananya
• Kaushik Ghosh as Amit Lahiri
• Pallavi Gogoi as Marathon Organizer
• Rupsha Guha as Urmi
• Moumita Gupta as Supti Roy Burman
• Dipanwita Hazari as Dr. Debika Sanyal
• Anindita Saha Kapileswari as Sharmila
• Tania Kar as Meghna
• Kalyani Mondal as Mrs. Bonik
• Baisakhi Marjit as Pishimoni
• Rana Mitra as Raju Das
• Rupanjana Mitra as Mohini
• Arpita Mukherjee as Kaushik Mukherjee's wife
• Mrinal Mukherjee as Dip Ganguly
• Neel Mukherjee as Sukanto Choudhury
• Sarbari Mukherjee as Pamela
• Swagata Mukherjee as Mrs. Bagchi
• Piyali Munshi as Indira
• Neel as Anchor Chonchol
• Komal Nishad Mitra as Ayesha
• Manoj Ojha as Shumanto
• Priyam as Indra
• Milon Roychoudhury as Broto
• Shagnik as Rupesh
• Shayanton as Pollob
• Arindam Sil as Mallar
• Lopamudra Sinha as Rupa
• Manasi Sinha as Nondona ^[4]