It is based on the novel The World According to Garp by John Irving .
The World According to Garp is a 1982 American comedy - drama film produced and directed by George Roy Hill , written by Steve Tesich , and starring Robin Williams in the title role .
The World According to Garp is based on the novel comedy - drama film         by John Irving .
The World According to Garp is a 1982 American comedy - drama film produced and directed by George Roy Hill , written by Steve Tesich , and starring Robin Williams in the title role .