Mercury is a 2018 Indian horror thriller film written and directed by Karthik Subbaraj. The film, which has no dialogue, stars an ensemble cast that includes Prabhu Deva, Sananth, Deepak Paramesh, Shashank Purushotham, Anish Padmanabhan and Indhuja Ravichandran. Subbaraj presented the film under his own production banner Stone Bench Creations, whilst Jayantilal Gada of Pen Studios co-produced the film. The plot is about five friends who are terrorised by the ghost of a victim of mercury poisoning.