Witness is a 1988 Malayalam investigative thriller made in India, directed by Viji Thampi and co-written by Jagathy Sreekumar, starring Jayaram, Jagathy Sreekumar, Parvathy, Madhu and Sukumaran in the lead roles.

Jayaram Subramaniam, known mononymously as Jayaram, is an Indian actor who works predominantly in Malayalam cinema, in addition to Tamil and Telugu language films. He is also a chenda percussionist, mimicry artist, and occasional playback singer. Jayaram has acted in more than 200 films and has received several awards, including the Padma Shri, two Kerala State Film Awards, one Tamil Nadu State Film Awards, and four Filmfare Awards South.