We don't have a biography for Sgt. Douglas Trimble yet. Hang in there, or go ahead and contribute one.
Undercover Guest cast, played by Glyn Grimstead Episode 1x02: Episode 2 (Apr 10, 2016) Episode 1x03: Episode 3 (Apr 17, 2016) Episode 1x05: Episode 5 (May 1, 2016)