Titus Welliver’s Bosch Replacement Officially Revealed in First Look at Spin-Off About Harry’s Early Years

A younger Harry Bosch
Bosch: Start of Watch follows Harry Bosch during his early days walking a beat in Los Angeles. The new series uses an entirely different cast from the earlier show, with Cameron Monaghan taking the role played by Titus Welliver.
Images released for the series show Monaghan as Bosch and also feature him with Omari Hardwick. The article does not identify Hardwick’s character.
From novels to television
Author Michael Connelly introduced Heironymous “Harry” Bosch in his 1992 crime novel The Black Echo. The article says the series of Bosch novels now numbers 25, with a 26th expected next month.
Bosch first appeared on television in 2017 in the Prime Video series Bosch. That show was among the streaming service’s first original series.
Premiere date set
Bosch: Start of Watch is due to debut exclusively on Prime Video on January 10, 2027. The series is set to arrive this winter, though its premiere date is in January.
The first-look images offer an early view of Monaghan and Hardwick in the spin-off. Further updates are expected as the premiere approaches.
Key points
- Cameron Monaghan plays Harry Bosch in Bosch: Start of Watch.
- The series follows Bosch’s early years as a Los Angeles police officer.
- Titus Welliver is not part of the spin-off’s new cast.
- Bosch: Start of Watch premieres on Prime Video on January 10, 2027.

