The Guard (2001 film)

The Guard Malayalam is the worlds first film with a single actor in the cast. Released in December 2001, the Indian Malayalam feature film has Kalabhavan Mani, the only actor on screen, playing the role of a forest guard in a lonely, isolated dense forest. Directed and written by debutante Hakim Rawther, it is jointly produced by Sabitha Jayaraj Green Dragon Movies and Kerala State Film Development Corporation KSFDC.

The story in a nutshell is how a poor man, Appukuttan Nair Kalabhavan Mani gets a job as a forest guard. His first appointment is in a lonely, isolated dense forest. His predecessor there was one Thomachan, who was supposedly trampled to death by a tusker. Anyhow, Appukuttan takes charge and in the dense forest he is left all alone, save the innumerable animals and birds around him and the frightening sounds of the jungle. But life in the jungle teaches him many things about men and human society and he gets a new perspective to look at things.The film featuressongs composed by Shyam Dharman and Rajesh with lyrics penned by Arumughan Vengidang. All the songs are based on folk music and are sung by Kalabhavan Mani himself. ........

Source: Wikipedia