Note: To help refresh your memory, wiki links are provided for characters when available.
Castle - "Suicide Squeeze"
Human Target - "Run"
Dylan Neal guest starred as 'Wes Gibson,' the corrupt cop. He recently guest starred on the Wonder Twins' episode of Smallville as 'District Attorney Raymond Sacks.' Dawson's Creek fans may also recognize him as 'Doug Witter,' Pacey's older brother.