Campbell made a critically acclaimed dramatic guest role as a grief-stricken detective seeking revenge for his father's murder in a two-part episode of the fourth season of "". Campbell later played the part of a bigamous demon in "The X-Files" episode "Terms of Endearment". He also starred as Agent Jackman in the episode "Witch Way Now?" of the WB series "Charmed", as well as playing a state police officer in an episode of the short-lived series "American Gothic" titled "Meet the Beetles".