Mark Alexander Knox, born April 15, 1970, better known as Flex Alexander or Flex, is an American actor, comedian & dancer. He began his career while appearing on numerous of television sitcoms before portraying single father Flex Washington on the UPN sitcom One on One, 2001 to 2006...
Mark Alexander Knox, born April 15, 1970, better known as Flex Alexander or Flex, is an American actor, comedian & dancer. He began his career while appearing on numerous of television sitcoms before portraying single father Flex Washington on the UPN sitcom One on One, 2001 to 2006. He also had a number of roles in many films including Modern Vampires, 1998, The Force, 1999, Out Cold, 2001, Book of Love: ''The Definitive Reason Why Men Are Dogs'', 2002, Gas, 2004, Snakes on a Plane, 2006, & Trigger, 2020. Born in Harlem, he is the son of Alethia Knox & Robert Whitehead. As a teen, he began dancing in New York night clubs earning the nickname "Flex" due to his acrobatic dance skills. After being discovered by DJ Spinderella, he began touring with rap trio Salt n Pepa & remained with the dance troupe for three years. In addition to dancing, he also choreographed for Mary J. Blige & Queen Latifah. In 1989, he made his stand up comedy debut & eventually turned to acting, making his film debut in the 1992 film Juice. His first television role was on the short lived 1993 ABC sitcom Where I Live, starring Doug E. Doug. Despite being critically acclaimed, the series was canceled that same year.