The Invisible Man series debuted in 2000 and starred Vincent Ventresca, Paul Ben-Victor, Eddie Jones, Shannon Kenny and Michael McCafferty. Somewhat more successful than previous television series involving invisible secret agents, Ventresca played Darien Fawkes, a thief facing life imprisonment who was recruited by a low-rent spy organization and given the power of invisibility via the implantation of a special "Quicksilver gland" in his head. The gland lets Fawkes secrete a light-bending substance called "Quicksilver" from his pores and follicles. The substance quickly coats his skin, hair, nails and clothes and renders him invisible. He can consciously release the Quicksilver, which then flakes off and disintegrates. The Quicksilver gland was sabotaged at its creation by scientist Arnaud DeFöhn, to release a neurotoxin that accumulates in his bloodstream and causes intense pain, followed by antisocial behavior and psychosis. He requires regular doses of "counteragent" to keep him sane and healthy, which is controlled by said government agency. This series lasted for two seasons, before being cancelled due to cost issues and internal bickering between the Sci Fi Channel and its then-parent company, USA Networks.