Flex Alexander

1970 (56) • Acting

Born: 4/15/1970 (56) in New York City, New York, USA

Known for: Acting

Flex Alexander

Mark Alexander Knox (born April 15, 1970), better known as Flex Alexander or Flex, is an American actor, comedian and dancer.

Known For

Lucifer

84%

Simon Hallbrooks

2016

Grey's Anatomy

82%

Evan Forrester

2005

Snakes on a Plane

55%

Three G's

2006

CSI: Miami

77%

Beau Lendell

2002

The Hills Have Eyes 2

56%

Sarge

2007

Station 19

82%

Evan Forrester

2018

Blue Bloods

78%

Demarcus King

2010

Masters of Sex

71%

Walter

2013

Unrequited

Erik

2026

The Assistant

56%

Shawn Fields

2023

Carl Weber's The Black Hamptons

68%

Devon aka Lojack

2022

Kenan

70%

Derek

2021

Trigger

55%

Michael Mass

2020

Ballbuster

44%

Luther

2020

mixed-ish

71%

George

2019

Maybe I'm Fine

30%

Jeffrey

2019

Carl Weber's The Family Business

85%

Low Jack

2018

Station 19

82%

Evan Forrester

2018

And I Danced

Self

2018

Love by the 10th Date

63%

Preacher Hill

2017

Lucifer

84%

Simon Hallbrooks

2016

Soul Ties

Jessie

2015

My Sister's Wedding

53%

Matthew

2013

Masters of Sex

71%

Walter

2013

24 Hour Love

49%

Bradford

2013

Gotham Comedy Live

55%

Self - Host

2012

The Client List

66%

The Wolf

2012

Blue Bloods

78%

Demarcus King

2010

The List

37%

Chet

2007

The Hills Have Eyes 2

56%

Sarge

2007

Poor Boy's Game

55%

Ossie Paris

2007

Snakes on a Blog

Self

2007

Snakes on a Set: Behind the Scenes

Self

2007

Snakes on a Plane: Meet the Reptiles

60%

Self

2007

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

50%

Self

2007

Love and Other Four Letter Words

53%

Arnold

2007