Danny Farrell

Danny Farrell was a supporting character featured on the USA Network television series The 4400. Played by actor Kaj-Erik Eriksen, he was introduced in the pilot episode and made sporadic appearances throughout all four seasons of the series. In total, he appeared in sixteen episodes, including the series finale. Danny is introduced as Shawn Farrell's younger brother, who is involved in a romantic relationship with high school student Nikki Hudson. Shawn's status as a returnee causes some strife between the brothers, particularly when Nikki begins casting her eye on Shawn. By season four, Danny Farrell becomes one of the benefactors of the Promicin injection and develops the ability to generate Promicin in other people, often with disastrous results.