Known For
Acting
Gender
Male
Birthday
April 15, 1970
Age
56
Place of Birth
New York City, New York, USA
Popularity
1.5
Flex Alexander
Acting
Biography
Mark Alexander Knox (born April 15, 1970), better known as Flex Alexander or Flex, is an American actor, comedian and dancer.
Also known as
Flex · Mark Alexander Knox
Latest News
Known For
Filmography
2026
Unrequited
Movie · Erik
0.0
2023
The Assistant
Movie · Shawn Fields
5.6
2022
The Black Hamptons
TV · Devon aka Lojack
6.7
2021
Kenan
TV · Derek
7.0
2020
Trigger
Movie · Michael Mass
5.5
2020
Ballbuster
Movie · Luther
4.4
2019
mixed-ish
TV · George
7.1
2019
Maybe I'm Fine
Movie · Jeffrey
3.0
2018
Carl Weber's The Family Business
TV · Low Jack
8.5
2018
Station 19
TV · Evan Forrester
8.2
2018
And I Danced
Movie · Self
0.0
2017
Love by the 10th Date
Movie · Preacher Hill
6.3
2016
Lucifer
TV · Simon Hallbrooks
8.4
2015
Soul Ties
Movie · Jessie
0.0
2013
My Sister's Wedding
Movie · Matthew
5.3
2013
Masters of Sex
TV · Walter
7.1
2013
24 Hour Love
Movie · Bradford
4.9
2012
Gotham Comedy Live
TV · Self - Host
5.5
2012
Steve Harvey
TV · Self
7.0
2012
The Client List
TV · The Wolf
6.6
2010
Blue Bloods
TV · Demarcus King
7.8
2007
The List
Movie · Chet
3.7
2007
The Hills Have Eyes 2
Movie · Sarge
5.6
2007
Poor Boy's Game
Movie · Ossie Paris
5.5