- Country: India
- Genres: Mystery, Thriller
- Release: 2019-04-19
- Director: Vivek
- Writers: P.F. Mathews , Ajai Rahul , Vivek
- Language: Malayalam | Telugu
- Stars: Fahadh Faasil , Fahadh Faasil , Sai Pallavi , Atul Kulkarni , Lena , Renji Panicker , Sudev Nair , Shantikrishna , P. Balachandran , Baiju V.K. , Surabhi Lakshmi
- Runtime: 136 min
- Awards: 1 win
- AKA: Athiran (Austria) , Anukoni Athidhi , Athiran (Australia) , Anukoni Athidhi (India) , Athiran (India) , Anukoni Athidhi (Canada) , Бесконечность (Russian Federation) , Athiran , Athiran (Canada) , Athiran (India) , Anukoni Athidhi (United Kingdom) , Anukoni Athidhi (Singapore) , Athiran (United States of America) , Anukoni Athidhi (United States of America) , Anukoni Athidhi (India) , Athiran (Ireland) , Anukoni Athidhi (Germany) , The Unexpected Guest , The Unexpected Guest (Canada)
- Plot:
In an isolated hospital in the high ranges of Kerala, an autistic patient with special skills piques the interest of a psychiatrist, whose investigation into her past leads to startling revelations
- IMDB:tt9793334
Athiran Cast · · · ALL
Vivek
Director
Fahadh Faasil
'Mooledatthu Kannan "M.K." Nair' / Nadakkal Kovilakatthu Vinayan
Sai Pallavi
Nadakkal Kovilakatthu Karthika Thirunaal / Nithya Lakshmi
Atul Kulkarni
Dr. Benjamin Diaz
Lena
Renuka
Renji Panicker
Nadakkal Kovilakatthu Jayanarayana Varma
Surabhi Lakshmi
Vadakedath Kamala Lekshmi
Nandu
(II)
Avarachan
Sudev Nair
Jeevan Thomas
P. Balachandran
Balarama Varma
Baiju V.K.
Shekara Varma
Leona Lishoy
Anna Maria
Vijay Menon
P. Subramaniam Iyer
Prakash Raj
Mooledatthu Kannan 'M.K.' Nair