It stars Sanjeev Kumar, Vinod Mehra, Shatrughan Sinha, Rekha and Sulakshana Pandit.

It is an adaptation of the 1886 novella Strange Case of Dr Jekyll and Mr Hyde by Robert Louis Stevenson.

Wilson is a scientist who feels that every human has both angelic and devilish elements in themselves.

The film is based on Strange Case of Dr Jekyll and Mr Hyde, a novella written by the Scottish author Robert Louis Stevenson.

[2] Sahir Ludhianvi wrote the songs while N. Datta composed music of the film.