ACTOR
Flex Alexander
Known for Lucifer · Grey's Anatomy · CSI: Miami
Mark Alexander Knox (born April 15, 1970), better known as Flex Alexander or Flex, is an American actor, comedian and dancer.
Snapshot 2026-10-13
- Born
- Apr 15, 1970
- Birthplace
- New York City, New York, USA
- Known For
- Acting
Biography
Mark Alexander Knox (born April 15, 1970), better known as Flex Alexander or Flex, is an American actor, comedian and dancer.
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Known For
Filmography
Movies
JuiceContest Auditioner
1992
Money TrainHood
1995
City of IndustryA Roc
1997
The 6th ManJerrod Smith
1997
IceKelvin
1998
Modern VampiresTrigger
1998
Santa and PetePete
1999
She's All ThatKadeem
1999
The Apartment Complex
1999
Out ColdAnthony
2001
GasDamien
2004
Man in the Mirror: The Michael Jackson StoryMichael Jackson
2004
Sweet OrangesHimself
2004
Her Minor ThingMarty
2005
Shira: The Vampire SamuraiSmall Change Willie (as Flex)
2005
Pure Venom: The Making of Snakes on a PlaneSelf
2006
Snakes on a PlaneThree G's
2006
Love and Other Four Letter WordsArnold
2007
Poor Boy's GameOssie Paris
2007
Snakes on a BlogSelf
2007
Snakes on a Plane: Meet the ReptilesSelf
2007
Snakes on a Set: Behind the ScenesSelf
2007
The Hills Have Eyes 2Sarge
2007
The ListChet
2007
The Snake Pit: On the Set of 'Snakes on a Plane'Self
2007
24 Hour LoveBradford
2013
My Sister's WeddingMatthew
2013
Soul TiesJessie
2015
Love by the 10th DatePreacher Hill
2017
And I DancedSelf
2018
Maybe I'm FineJeffrey
2019
BallbusterLuther
2020
TriggerMichael Mass
2020
The AssistantShawn Fields
2023
UnrequitedErik
2026Television
Where I Live21 eps
1993
New York Undercover1 eps
1994
Sister, SisterCold Dog · 1 eps
1994
Homeboys in Outer SpaceTyberius Walker · 21 eps
1996
MoeshaDread · 1 eps
1996
Brooklyn SouthBuster · 1 eps
1997
Total Security13 eps
1997
The Parkers1 eps
1999
GirlfriendsDarnell Wilkes · 5 eps
2000
One on OneFlex Washington · 97 eps
2001One on OneProducer
2001One on OneCo-Executive Producer
2001
CSI: MiamiBeau Lendell · 2 eps
2002
On Air with Ryan SeacrestCelebrity Courtyard Correspondent · 2 eps
2004
Cuts1 eps
2005
Grey's AnatomyEvan Forrester · 1 eps
2005
Blue BloodsDemarcus King · 1 eps
2010
Gotham Comedy LiveSelf - Host · 1 eps
2012
Steve HarveySelf · 1 eps
2012
The Client ListThe Wolf · 1 eps
2012
Masters of SexWalter · 1 eps
2013
LuciferSimon Hallbrooks · 1 eps
2016
Carl Weber's The Family BusinessLow Jack · 2 eps
2018
Station 19Evan Forrester · 1 eps
2018
mixed-ishGeorge · 1 eps
2019
KenanDerek · 1 eps
2021
Carl Weber's The Black HamptonsDevon aka Lojack · 1 eps
2022Photos
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