★ 8.4 
Acting
Flex Alexander
Flex Alexander is best known for Lucifer, Grey's Anatomy, CSI: Miami and Station 19. Flex Alexander was born on April 15, 1970. Flex Alexander is 56 years old (born April 15, 1970).
- Born
- April 15, 1970 (56 years old)
- Place of birth
- New York City, New York, USA
Biography
Mark Alexander Knox (born April 15, 1970), better known as Flex Alexander or Flex, is an American actor, comedian and dancer.
Known for
Filmography
- 2022Carl Weber's The Black HamptonsDevon aka Lojack
- 2021KenanDerek
- 2019mixed-ishGeorge
- 2018Station 19Evan Forrester
- 2018Carl Weber's The Family BusinessLow Jack
- 2016LuciferSimon Hallbrooks
- 2013Masters of SexWalter
- 2012The Client ListThe Wolf
- 2012Gotham Comedy LiveSelf - Host
- 2012Steve HarveySelf
- 2010Blue BloodsDemarcus King
- 2005Cuts
- 2005Grey's AnatomyEvan Forrester
- 2004On Air with Ryan SeacrestCelebrity Courtyard Correspondent
- 2002CSI: MiamiBeau Lendell
- 2001One on OneFlex Washington
- 2000GirlfriendsDarnell Wilkes
- 1999The Parkers
- 1997Brooklyn SouthBuster
- 1997Total Security
- 1996MoeshaDread
- 1996Homeboys in Outer SpaceTyberius Walker
- 1994Sister, SisterCold Dog
- 1994New York Undercover
- 1993Where I Live
Frequently asked questions
What movies and shows has Flex Alexander been in?
Flex Alexander is best known for Lucifer, Grey's Anatomy, CSI: Miami and Station 19.
When was Flex Alexander born?
Flex Alexander was born on April 15, 1970. (New York City, New York, USA)
How old is Flex Alexander?
Flex Alexander is 56 years old (born April 15, 1970).
Updated: October 25, 2026 ·