Yaadein -1964
Soliloquy of a man life, the 1964 released Yaadein was directed and produced by Sunil Dutt and the only actor in the film. Yaadein is the first-ever Indian cinema that features only a single actor and hence has found an entry in the Guinness Book of World Records in the category of Fewest actors in a narrative film.
The only other actor in this film is Nargis Dutt. The film progresses through narrative dialogues and background music composed by Vasant Desai.