[2] The film stars Akash Murali in his acting debut, alongside Aditi Shankar, R. Sarathkumar, Prabhu and Khushbu.

The film has music composed by Yuvan Shankar Raja, cinematography handled by Cameron Eric Bryson and editing by A. Sreekar Prasad.

Determined to uncover the truth, Arjun sought out Monty, Jenni's lover, to gather information.

Arjun confronts Adhinarayanan prompting him to warn Vasundhra against further involvement and vows to seek justice for Diya through legal means.

Arjun hijacks a bus and demands that Special Officer Gautham bring Diya and Varadharajan to the scene.

[6][7] In November 2023, Shiv Panditt who was last seen in Leelai (2012) was speculated to make his return to Tamil Cinema after 12 years for a special appearance along with Kalki Koechlin who previously worked together in Shaitan (2011).

[2][9] In early July 2024 it was confirmed that Kalki Koechlin who was earlier seen in Nerkonda Paarvai (2019) and Paava Kadhaigal (2020) is seen to have portrayed a role of a Portugal based lawyer named Indira.

[10] Music composer Yuvan Shankar Raja, editor A. Sreekar Prasad, cinematographer Cameron Eric Bryson and production designer Saravanan Vasanth were chosen for the technical crew.

It was shot sporadically in several legs with filming locations including Portugal, Spain, and India, and wrapped by mid-February 2024.

[20] Avinash Ramachandran of The Indian Express gave 2.5/5 stars and wrote "Nesippaya is Vishnu Varadhan’s Roja, and it is the man who goes to the gallows to save his woman from certain death.

"[21] Roopa Radhakrishnan of The Times of India gave 2.5/5 stars and wrote "Nesippaya had so much promise with its cast of proven talents and an intriguing basic premise, but the film never reaches up to its expectations.

"[22] Jayabhuvaneshwari B of Cinema Express gave 2.5/5 stars and wrote "Nesippaya tries to craft an everlasting tale of romance, but its inconsistencies make it feel more like a forgettable affair.

"[23] Anusha Sundar of OTTPlay gave 2.5/5 stars and wrote "Nesippaya is a racy thriller entwined with romance.

"[24] Raisa Nasreen of Times Now gave 2/5 stars and wrote " Nesippaya, a thrilling suspense drama is powered by the film's highly relatable dialogues, well-sketched characters and actor Kalki Koechlin's incredible performance.[...]

"[25] Janani K of India Today gave 2/5 stars and wrote "Nesippaya is director Vishnuvardhan's weakest film yet.

"[26] Bhuvanesh Chandar of The Hindu wrote "Nesippaya could have become something more than ordinary; it only confuses you about the kind of film it wishes to be.