NRI Siddharth Chaturvedi and his wife Avni return to Siddharth's family's ancestral Varanasi palace while disregarding warnings of a curse and paranormal phenomena. Soon enough, inexplicable events begin occuring, which forces Siddharth to consult the eccentric psychiatrist Aditya Shrivastav to help solve the mystery.
| Actor | Role |
|---|---|
 Akshay KumarDr. Aditya 'Adi' Shrivastav | Dr. Aditya 'Adi' Shrivastav |
 Shiney AhujaSiddharth Chaturvedi | Siddharth Chaturvedi |
 Vidya BalanAvni S. Chaturvedi | Avni S. Chaturvedi |
 Paresh RawalBatukshankar Upadhyay | Batukshankar Upadhyay |
 Ameesha PatelRadha Chaturvedi | Radha Chaturvedi |
 Manoj JoshiBadrinarayan 'Badri' Chaturvedi | Badrinarayan 'Badri' Chaturvedi |
 Rajpal YadavChhote Pandit | Chhote Pandit |
 AsraniMurari | Murari |
 Rasika JoshiJanki Upadhyay | Janki Upadhyay |
 Vikram GokhaleAcharya Yagyaprakash Bharti | Acharya Yagyaprakash Bharti |
 Jimit TrivediChandu Chaturvedi | Chandu Chaturvedi |
 Vineeth RadhakrishnanProfessor Sharad | Professor Sharad |
 Kaveri JhaGirja Upadhyay | Girja Upadhyay |
| TTarina PatelNandini Upadhyay | Nandini Upadhyay |
 Farida DadiAvni's grandmother | Avni's grandmother |