Riythvika, who was last seen in Nethraa, has joined the cast of Amala Paul's upcoming crime-thriller, Cadaver.

The Kabali actor, who came to the spotlight after winning the second season of Bigg Boss Tamil, says that her role will be a crucial one, which brings about a shocking twist in the narrative. "I play a nurse in the female-oriented film. Amala and Athulya Ravi also have solid roles to portray. The film, which is currently in its final leg of shoot, will be a one-of-a-kind experience for the audience," she says.

Cadaver, which has Amala donning the role of Tamil Nadu chief police surgeon, Dr Bhadra, is based on true events, and involves a real-life case handled by former Kerala police surgeon. Dr B Umadathan. The film is directed and scripted by Anoop Panicker and Abhilash Pillai, respectively.

Produced by Amala Paul, it will also feature Harish Uthaman, Ramesh Khanna, and Vinodh Inbaraj in supporting roles. Cadaver, which is being billed as India's first forensic investigative thriller with a forensic surgeon as the protagonist, has music by Jakes Bejoy, cinematography by Aravinnd Singh, and editing by San Lokesh.