Acting
Born April 15, 1970 · New York City, New York, USA
Mark Alexander Knox (born April 15, 1970), better known as Flex Alexander or Flex, is an American actor, comedian and dancer.
Lucifer
2016 · Simon Hallbrooks
Grey's Anatomy
2005 · Evan Forrester
She's All That
1999 · Kadeem
Snakes on a Plane
2006 · Three G's
CSI: Miami
2002 · Beau Lendell
The Hills Have Eyes 2
2007 · Sarge
Station 19
2018 · Evan Forrester
Blue Bloods
2010 · Demarcus King
Money Train
1995 · Hood
Juice
1992 · Contest Auditioner
Masters of Sex
2013 · Walter
Out Cold
2001 · Anthony
Unrequited
2026 · Erik
The Assistant
2023 · Shawn Fields
The Black Hamptons
2022 · Devon aka Lojack
Kenan
2021 · Derek
Ballbuster
2020 · Luther
Trigger
2020 · Michael Mass
Maybe I'm Fine
2019 · Jeffrey
mixed-ish
2019 · George
And I Danced
2018 · Self
Carl Weber's The Family Business
2018 · Low Jack
Love by the 10th Date
2017 · Preacher Hill
Soul Ties
2015 · Jessie
My Sister's Wedding
2013 · Matthew
24 Hour Love
2013 · Bradford
The Client List
2012 · The Wolf
Gotham Comedy Live
2012 · Self - Host
Poor Boy's Game
2007 · Ossie Paris
The List
2007 · Chet
Love and Other Four Letter Words
2007 · Arnold
One on One
2001 · Producer
