The Malayalam psychological crime thriller Kalamkaval, starring Mammootty and Vinayakan, is set to make its digital debut on SonyLIV after a successful theatrical run, giving fans a chance to stream the film from January 16, 2026.

Kalamkaval OTT release date and streaming platform

SonyLIV has officially announced that Kalamkaval will begin streaming on its platform starting January 16, 2026, with the digital premiere going live from midnight. The announcement has generated significant excitement among fans who missed the theatrical release or wish to revisit the gripping thriller online.

Plot and storyline: A dark psychological crime thriller

Kalamkaval follows Stanley Das, a serial killer who targets women and takes pleasure in his crimes. The story tracks a determined police officer as he attempts to stop the killings while uncovering the psychological motivations behind them. Loosely inspired by the infamous Cyanide Mohan case, the narrative combines investigation-driven suspense with tense psychological drama, making it a compelling watch for thriller enthusiasts.

Mammootty and Vinayakan’s performances

Vinayakan delivers a powerful performance as the investigating officer, balancing intensity and restraint. Mammootty returns in a rare negative role, impressing viewers with his layered portrayal of the antagonist. Their on-screen confrontation has been widely praised as one of the film’s most compelling elements.

Cast, crew and production details

Directed by Jithin K. Jose, who co-wrote the screenplay with Jishnu Sreekumar, Kalamkaval is produced by The Mammootty Company under its seventh production venture. The theatrical release in Kerala was distributed by Dulquer Salmaan's Wayfarer Films before the film moved to OTT. The supporting cast includes Gibin Gopinath, Gayatri Arun, Rajisha Vijayan, Shruti Ramachandran, Azees Nedumangad, Kunchan, Biju Pappan, and Malavika Menon.

Why the OTT release matters

The digital premiere allows a wider audience to experience Kalamkaval without visiting cinemas, offering accessibility to viewers who prefer streaming at home. With its dark, intense storytelling and strong performances, the film is expected to attract Malayalam cinema fans and lovers of psychological thrillers alike.

Where to watch Kalamkaval online

Viewers can stream Kalamkaval on SonyLIV from January 16, 2026, marking its official OTT release and providing an opportunity to watch Mammootty and Vinayakan in a high-stakes crime thriller from the comfort of home.