In an interview, Fazal stated that he plays a romantic writer with grey shades in the film. In June 2014, actress Sapna Pabbi signed a three-film deal with Vishesh Films and committed to work on the film as her first movie of the contract. In May 2014, it was reported that Gurmeet Choudhary will be playing a negative role in the film. The main cast of Gurmeet Choudhary, Ali Fazal and Sapna Pabbi was finalized in mid-2014.

Debina Bonnerjee as Simran, Kabir's ex-girlfriend.

Gurmeet Choudhary as Jaidev Dhanrajgir, Meera's devil worshipping husband, who bonds her even after his death as an evil spirit.

He vows to protect her from the evil spirit.

Ali Fazal as Kabir Walia, a lonely novelist who searches for an inspiring story meets Meera and falls in love with her.

She lives a lonely and worthless life as Jaidev's Widow until she meets Kabir and falls in love with him.

Sapna Pabbi as Meera Sharma Dhanrajgir, a beautiful but mysterious lady who runs a hotel in South Africa.

Meera is also at the party but the two leave to spend some time alone together. Kabir is shown at a book launch for Khamoshiyan, his latest novel. He then drinks holy water, which makes Jaidev's evil spirit perish, setting Meera free. After a deadly struggle involving a butterfly and paintings of wolves, Kabir drinks a drop of Jaidev's blood to get Jaidev's spirit to enter his body. The Tantrik tells Kabir that the painting is a portal to the world of spirits and gives Kabir holy water. Kabir goes to the Tantrik for help, who, it turns out, is also a spirit.

He returns to haunt Meera and captures her in the painting. While they cremate his body, a painting of Jaidev smiles sadistically. After this, the two plan to set Jaidev's spirit to rest. Kabir decides to steal the letter from the lawyer's office however, he finds that there is no lawyer – Jaidev was bluffing. Thus, she stays in the house with Jaidev's soul and deludes the world into thinking her husband is still alive. He later committed suicide and left a letter for Meera, stating that she will have to live in the house forever with his soul, and if she ever tried to run away, his lawyer was instructed to open a letter which will detail that Meera has killed him and was the culprit in the hit and run. Scared and shocked, she tried to run away but was caught by him in a struggle to stop her, Jaidev fell from the balcony and was paralyzed below the waist. One night, she saw him performing a ritual slaughter and praying to the devil. She reveals that she was involved in a hit and run case two years ago and to evade imprisonment, ran away to a small town in Kashmir, where she met Jaidev, a rich industrialist. Kabir returns to apologise to Meera and writes a love poem for her she reads it and suddenly kisses him, realising that she is in love with him. Furious with Kabir, Meera tells him to leave. He sneaks into Jaidev's room, only to find Jaidev sleeping. Realization dawns upon Kabir, and he recalls Meera speaking on the phone in a man's voice and never seeing Jaidev in person.

He claims that the spirit is of Jaidev, who is dead. Curious, Kabir calls a Tantrik, who discovers an evil spirit in the house. While driving away, an evil force comes before their car and they meet with an accident. Kabir, now in love with her, tries to take her away from the house. He becomes attracted to Meera and finds out that she has not left the house for two years. On his first night there, Kabir sees strange apparitions. Meera is married to Jaidev Dhanrajgir, an ill man confined to his bed. During his journey, he stops at a guesthouse run by the beautiful but mysterious Meera Sharma Dhanrajgir. Kabir Walia is a novelist whose failed career and relationship with Simran made him move to Kashmir in search of an inspirational story.

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