
Flex Alexander
- Known for
- Acting
- Born
- April 15, 1970
- Birthplace
- 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.
Filmography

Unrequited 2026
as Erik

The Assistant 2023
as Shawn Fields

Trigger 2020
as Michael Mass

Ballbuster 2020
as Luther

Maybe I'm Fine 2019
as Jeffrey

And I Danced 2018
as Self

Love by the 10th Date 2017
as Preacher Hill

Soul Ties 2015
as Jessie

My Sister's Wedding 2013
as Matthew

24 Hour Love 2013
as Bradford

The List 2007
as Chet

The Hills Have Eyes 2 2007
as Sarge

Poor Boy's Game 2007
as Ossie Paris

Snakes on a Blog 2007
as Self

The Snake Pit: On the Set of 'Snakes on a Plane' 2007
as Self

Snakes on a Set: Behind the Scenes 2007
as Self

Snakes on a Plane: Meet the Reptiles 2007
as Self

Love and Other Four Letter Words 2007
as Arnold

Snakes on a Plane 2006
as Three G's

Pure Venom: The Making of Snakes on a Plane 2006
as Self

Her Minor Thing 2005
as Marty

Shira: The Vampire Samurai 2005
as Small Change Willie (as Flex)

Man in the Mirror: The Michael Jackson Story 2004
as Michael Jackson

Sweet Oranges 2004
as Himself

Gas 2004
as Damien

Out Cold 2001
as Anthony

Santa and Pete 1999
as Pete

The Apartment Complex 1999
Actor

She's All That 1999
as Kadeem

Modern Vampires 1998
as Trigger

Ice 1998
as Kelvin

The 6th Man 1997
as Jerrod Smith

City of Industry 1997
as A Roc

Money Train 1995
as Hood

Juice 1992
as Contest Auditioner
Credits from TMDB.