Explore rookie Harry Bosch's early days in 1991 L.A., as a major heist and police corruption forge the detective he'll become. A Bosch prequel series.
- April 19, 2026
AceShowbiz - Bosch is set to return to television with a fresh perspective, diving back to the early days of its titular character. The new series, titled Bosch: Start of Watch, is a prequel that explores the beginnings of Harry Bosch's career as a rookie LAPD officer in 1991 Los Angeles.
The story unfolds against the backdrop of a city riddled with racial tension, gang conflicts, and a police department struggling with deep divisions. At 26 years old, Harry Bosch is introduced as a young officer facing the challenges of his first days on the force. While handling routine calls, he soon finds himself entangled in a major heist and an extensive web of corruption that will ultimately shape his path as a detective.
Recently, the series announced the casting of three significant recurring roles that will help build out the world around the young Bosch. Azita Ghanizada, William Fichtner, and Kathleen Wilhoite have all joined the MGM+ drama in pivotal parts, adding depth to the narrative and supporting the lead character’s journey.
According to Deadline, the roles are described as follows: Ghanizada will portray Stacy, a sharp and ambitious lawyer drawn to the dangerous allure of criminal power. Stacy’s increasing involvement includes a budding romance with a master thief, Cory Harbor, which pulls her deeper into a risky world balancing professional ambition and personal danger.
William Fichtner takes on the role of Calhern, a respected defense attorney who has transitioned into a powerful figure within Los Angeles’ criminal underworld. Meanwhile, Kathleen Wilhoite will play Helen, Bosch’s devoted foster mother, who is coping with the recent loss of her husband, a wound that adds emotional complexity to Bosch’s background.
The cast is led by Cameron Monaghan in the role of young Harry Bosch. He is joined by Omari Hardwick as Eli Bridges, Bosch’s training officer, and Ariana Guerra as rookie officer Rosa. Another notable addition is JD Pardo as the professional thief Cory Harbor, who is central to the unfolding criminal intrigue.
Behind the scenes, the show is produced by Fabel Entertainment and co-created by Tom Bernardo and Brian Anthony. Bernardo also serves as the showrunner, steering the creative vision of the series. Executive producers include Michael Connelly, the creator of the original Bosch novels, Henrik Bastin, Jamie Boscardin Martin, and Jasmine Russ. Theresa Snider acts as co-executive producer for Hieronymus Pictures.
Michael Connelly expressed his enthusiasm about the project, calling it a personal milestone. He said, "Being able to see how Harry Bosch became the man we have loved for 10 seasons is a gift to me and his many fans." Connelly also shared his excitement about collaborating with Cameron Monaghan and the writing team to explore this uncharted territory in Bosch’s story.
Tom Bernardo echoed this sentiment, highlighting the privilege of telling a story that captures both the character’s origins and the transformation of Los Angeles during the early 1990s. He emphasized the production’s intent to honor the loyalty of Connelly’s readers and the dedicated audience that followed the original Bosch series and Bosch: Legacy.
Bosch: Start of Watch is poised to expand the beloved detective universe by adding rich layers of history and character development. It promises to delve into themes of justice, moral complexity, and the turbulent social climate of early '90s Los Angeles, providing longtime fans and new viewers with a compelling look at how Bosch’s character was forged.
The series will stream on MGM+, bringing the Bosch universe to a new platform and audience. It will explore the formative experiences that defined Bosch’s principles and approach, setting the stage for the events that fans have come to know through the original series.
As anticipation builds, fans can expect to see a blend of crime drama, character-driven storytelling, and a vivid portrayal of the city’s challenges at the time. With strong performances from the newly announced cast and a dedicated creative team, Bosch: Start of Watch aims to deliver a gripping narrative that honors its source material while offering fresh insights.
For those eager to stay informed about casting updates, character arcs, and production news, subscribing to newsletters covering the Bosch universe will provide detailed coverage and context to enhance the viewing experience.
In summary, the upcoming prequel series marks an exciting new chapter for the Bosch franchise, shedding light on the origins of one of television’s most enduring detective characters and the complex world he inhabits.