"We had to change it” – Titus Welliver addresses Bosch: Legacy Season 3’s deviation from books

Titus Welliver in Bosch: Legacy Season 3 (Image via Prime Video)
Titus Welliver in Bosch: Legacy Season 3 (Image via Prime Video)

Harry Bosch’s decade-long journey is coming to an end with the finale of Bosch: Legacy Season 3. The show is based on Michael Connelly’s detective novels and revolves around the titular investigator, who comes across some gripping cases every season.

The final season is an adaptation of book number 24 from the novel series, titled Desert Star. However, fans have noticed that the television show is deviating significantly from the source material.

Lead actor Titus Welliver has now addressed these changes in an interview with ScreenRant, revealing how the writers had to alter the character’s age in Bosch: Legacy Season 3 to fit the narrative:

“In the book, the case of the missing family is a case that has haunted Bosch for many, many years and where it takes place in the canon of the Bosch books, he’s considerably older. But if he were Ahab, this case is the white whale.”
“But we had to change it, so you have this woman coming from Ireland, and hires Bosch as a private eye to investigate, because it seems like the case is sort of stalled. It’s dead ended in the cops’ pursuit of trying to close it.”

Titus Welliver talks about Bosch: Legacy Season 3’s changes from Michael Connelly’s book

Titus Welliver added that by changing certain aspects from the book, Bosch: Legacy Season 3 is able to push Harry Bosch toward darkness, which has not been explored in the show before. He said:

“This takes on a very, very different [angle from the book], and the darkness truly penetrates Bosch in a way that I don’t think that we’ve ever seen before. So, the questions arise for the audience, and also for the characters surrounding Bosch, specifically Maddie, ‘How far is he willing to go in this?’”

Welliver further said that the case becomes so personal for Harry that he does not shy away from making some ethically wrong moves:

“He becomes aware, as he’s working this case, he figures out who the person is, and then it becomes that pursuit, and that’s where the audience and the people around Bosch are going to go, “Uh oh, will he cross an ethical line in order to [solve the case]?’”

Bosch: Legacy Season 3 premiered on Prime Video on March 27, 2025. The final installment of the police procedural series follows Harry as he becomes the suspect in a murder case.

Meanwhile, he investigates the disappearance of a family. The show might be coming to an end, but the Bosch universe will continue with a spin-off series titled Ballard, in which Welliver will reprise his role in a few episodes.

Bosch: Legacy Season 3 finale is scheduled to be released on Prime Video on April 17, 2025.

Edited by Sroban Ghosh