The Case Diary is a 2025 Indian Malayalam-language investigation film directed by Dileep Narayanan and written by A. K. Santhosh. It is produced by K. V. Abdul Nasar under the banner of Benzy Productions. The film stars Ashkar Saudan in the lead role, along with Sakshi Agarwal, Rahul Madhav, Riyaz Khan and Vijayaraghavan.
Contents
Plot
CI Christian Sam, the adopted son of retired Superintendent of Police Sam Koshy, takes on a mission to catch a robbery gang and comes to Srirangam for an investigation. He learns about the mysterious death of his twin brother, Aju Narayan, who was separated from the orphanage that they grew up at. He investigates the case and tries to find the real culprit behind Aju's murder.
Cast
Ashkar Saudan as Dual Role
° Kottayam SIT & Later Ottapalam Police Station CI Christy Sam
° Aju narayanan, A Bakery Shop Owner
Rahul Madhav as Kannan, Aju's Friend
Sakshi Agarwal as Dr. Bhanu Priya, Christy's Love Interest
Vijayaraghavan as Rtd. SP Sam Koshy IPS, Christy's Father
Riyaz Khan as Morris Petro Alaverez, An International Drug Mafia Criminal
Neeraja as Shalini, Kannan's Love Interest
Bala as Renghanathan alias M.S. Renghanathan, Ottapalam Drug Mafia and Morris's Partner
Meghanathan as Retd. SI Solomon, Morris's Partner
Kichu Tellus as
Biju Kuttan as Manoharan, Aju's Friend
Gokulan as Ottapalam Police Station SI Vladimir
Ameer Niyas as Roshan Kurian, Morris's Partner
Production
Casting
Ashkar Saudan was cast in the lead role, marking his second collaboration with Dileep Narayanan. The film also features Sakshi Agarwal, Rahul Madhav, Vijayaraghavan, Riyaz Khan and Bala in important roles.
Marketing
The first look poster of the film was released on 8 August 2025 and the trailer of the film was released on 16 August 2025 by actor Dileep.
Release
The Case Diary was released theatrically on 21 August 2025.



