The Nightowl's Tribute to The Cast and Crew of The Sentinel There have been visitors since August 18, 1998. Updated November 14, 1999 Cast of The Sentinel Richard Burgi -- the Sentinel himself, Detective Jim Ellison of the Cascade PD Garett Maggart -- the Sentinel's Guide and Shaman, anthropologist Blair Sandburg Bruce A. Young -- head of Cascade's Major Crimes Unit, Captain Simon Banks Anna ...