The Fisher King (1991)

The Fisher King is a 1991 American comedy-drama film written by Richard LaGravenese and directed by Terry Gilliam. It stars Robin Williams and Jeff Bridges, with Mercedes Ruehl, Amanda Plummer, and Michael Jeter in supporting roles. The film is about a radio shock jock who tries to find redemption by helping a man whose life he inadvertently shattered.

The film was released in the United States by TriStar Pictures on September 20, 1991. Grossing $42 million over a $24 million budget, the film received positive reviews from critics and was a moderate commercial success. The film also received several accolades.
https://en.wikipedia.org/wiki/The_Fisher_King#/

Terry Gilliam's yet another sadly neglected almost-forgotten masterpiece.
And probably the most sincere, heart-wrenching role of Robin Williams' career.