During the production, he met filmmakers Keith Fulton and Louis Pepe, who were shooting the making-of documentary that later became Lost in La Mancha.
Fulton and Pepe went on to film Brian Aldiss's novella Brothers of the Head (2006), from a screenplay by Grisoni that he had started working on as far back as 1984.
[4][5] Grisoni wrote Red Riding (2009), an adaptation of David Peace's quartet of novels based on the events surrounding the Yorkshire Ripper murders.
[6] He also co-wrote the screenplay for Samantha Morton's directorial debut The Unloved (2009), which won the BAFTA TV Award for Best Single Drama.
[7] The Man Who Killed Don Quixote was finally released in 2018, featuring a character named Toby Grisoni.