Threat Matrix: Characters Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! Threat Matrix Drama, Crime, Action 9/18/03 – 1/29/04 United States http://abc.go.com/primetime/threatmatrix/ GeneralEpisodesCastCharactersGallery Characters See all characters → Mohammad "Mo" Hassain Special Agent John Kilmer Special Agent Frankie Ellroy Kilmer Jelani Harper Holly Brodeen Colonel Roger Atkins U.S. Army Ret. Tim Vargas Anne "Lark" Larken