David Allen Brooks appears as a bad guy in the episode "Hear No Evil" which aried on the Sci Fi Channel November 9, 1999 at 7 pm Eastern Standard Time.
His character appeared in the first scene, and was named David Brooks. How creative.
Images of DAB in The Sentinel. (Part of the David Allen Brooks Image Gallery)
A transcript of the episode. (An offsite link over which I have no control.)