Mohanlal as Oyyarath Magaranth Ramanathan (O.M.R)

Thilakan as Sakhavu Mani Varghese

Vijayaraghavan as Colonel Shone Raj / Headmaster

Biju Menon as Stalin Maani Varghese I.P.S.

K. B. Ganesh Kumar as Inspector Upendra Varma

Mrudula Murali as Varadha Battadirippadu

Renjini Jose as Anna Bella

Priya Atlee as Vega Nambiathiri

Siddique as Commissioner Vyasan IPS

Vijayakumar as Inspector Louie Pothan

Jagadish as Surendran

Sukumari as Mani Varghese's wife

Biju Pappan as Satheeshan

Maniyanpilla Raju as SI Palaniswamy

Dhanya Mary Varghese as Lamna Shankar

Saba Khan as Jennifer

Julia George as Maglin

Leena Maria Paul as Roya Kareena

Resmi Boban as Stalin's wife

Hareesh Peradi as Franco Alangadan

Byon as Ricky

Jagannatha Varma as Sasthri

T. P. Madhavan as Iyengar