Reed Diamond

Reed Edward Diamond was born on July 20, 1967, in Brooklyn, New York, and grew up in Manhattan, where he attended the Trinity School. He pursued his passion for acting by attending the University of North Carolina at Chapel Hill for two years before enrolling in the prestigious Juilliard School, studying in the Drama Division’s Group 20 from 1987 to 1991. Diamond made his professional debut co-starring in the film “Memphis Belle” in 1990, marking the beginning of a long and diverse career in entertainment. His early career included guest appearances on television shows such as “Law & Order” and roles in films like “Clear and Present Danger” (1994).

Diamond gained significant recognition in 1995 when he joined the cast of “Homicide: Life on the Street” as Det. Mike Kellerman, a role he played for multiple seasons and reprised for “Homicide: The Movie” in 2000. This role established him as a prominent figure in television. Throughout the 2000s, he built a robust resume with recurring roles in “Judging Amy” and “Dollhouse,” and made guest appearances on popular series including “The West Wing,” “CSI: Crime Scene Investigation,” and “24.” A notable turning point was his role as Detective Terry Crowley in the pilot of “The Shield” in 2002, where his character’s unexpected death was a significant plot element.

In recent years, Diamond has continued to accumulate diverse credits, including his portrayal of HYDRA agent Dr. Daniel Whitehall in Marvel’s “Agents of S.H.I.E.L.D.” (2014-2015; 2018), and roles in Oscar-nominated films “Good Night, and Good Luck.” (2005) and “Moneyball” (2011). He also had a recurring role as John Foerstel, Director of the FBI, in the first two seasons of “Designated Survivor.” His career has showcased his versatility, from film roles in “Much Ado About Nothing” (2012) to television series like “Better Call Saul” (2022), “Orphan Black: Echoes” (2023), and the upcoming film “Drop” (2025).