Main •
Daniel Kilgore – An associate priest, he later quits his Church to join The Agency. •
Kurt Kilgore – A deceased Agency agent and Daniel's estranged brother, the two become closer after his murder is solved and The Agency trains Daniel. •
Haunt – This being is created when Kurt's spirit merges with Daniel's body. They are merged through Kurt's spiritual tether to Daniel and generate ectoplasm.
Supporting Issues #1–18 •
Director Beth Tosh – Kurt's former lover, now acting Director of the Agency. •
Mirage – An agent working for the Agency and another former lover of Kurt's, she watches over Daniel's progress. •
Assistant Director Theresa Rhodes – A sleeper agent in the Agency, she was instrumental in Kurt's murder. •
Mr. Hurg – A
polyamorous crime boss obsessed with fitness and health, he orchestrated Kurt's death and is highly skilled in combat. •
Cobra – An assassin hired by Mr. Hurg, his face is mutilated by Haunt, and reconstructive surgery leaves him very similar to his namesake. •
Amanda Kilgore – Kurt's
widow and Daniel's former lover. Her relationship with Daniel was cut short due to her infidelity with Kurt. •
Autumn Mueller – Daniel Kilgore's girlfriend, who formerly worked as a prostitute under the name
Charity. •
Director Morgan Stantz – Director Stantz is the former director of the agency. It's said, that he only comes in if it's a big deal and was killed in issue 5. •
Alegria – One of Doctor Shillinger's test subjects, a spiritual woman with knowledge of the Haunt, who is able to see Kurt's ghost. •
The Apparition – A mysterious new foe of Kilgore brothers to tangle with, but this enemy is stronger, faster and has the same powers of Haunt... and more.
Issues #19–28 •
Purgatory – A demonic beast that collects lost souls. •
Deacon Larkin – The Leader of the Second Church. •
Still Harvey Tubman – The last conductor between astral and physical planes. •
Father Pearson – A deceased priest of the Second Church who was revived as a fire golem after his death. ==Reception==