Flex Alexander

Acting • 62 Credits

Biography

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

🎭 Acting Roles (30)

Ranked by Prestige & Popularity
Lucifer

Lucifer

2016 ⭐ 4.2
as Simon Hallbrooks
Grey's Anatomy

Grey's Anatomy

2005 ⭐ 4.1
as Evan Forrester
She's All That

She's All That

1999 ⭐ 3.2
as Kadeem
Snakes on a Plane

Snakes on a Plane

2006 ⭐ 2.7
as Three G's
CSI: Miami

CSI: Miami

2002 ⭐ 3.8
as Beau Lendell
The Hills Have Eyes 2

The Hills Have Eyes 2

2007 ⭐ 2.8
as Sarge
Station 19

Station 19

2018 ⭐ 4.1
as Evan Forrester
Blue Bloods

Blue Bloods

2010 ⭐ 3.9
as Demarcus King
Money Train

Money Train

1995 ⭐ 2.9
as Hood
Juice

Juice

1992 ⭐ 3.6
as Contest Auditioner
Masters of Sex

Masters of Sex

2013 ⭐ 3.5
as Walter
Out Cold

Out Cold

2001 ⭐ 3.0
as Anthony
The 6th Man

The 6th Man

1997 ⭐ 3.0
as Jerrod Smith
The Client List

The Client List

2012 ⭐ 3.3
as The Wolf
Sister, Sister

Sister, Sister

1994 ⭐ 3.5
as Cold Dog
City of Industry

City of Industry

1997 ⭐ 2.8
as A Roc
Modern Vampires

Modern Vampires

1998 ⭐ 2.5
as Trigger
mixed-ish

mixed-ish

2019 ⭐ 3.5
as George
Moesha

Moesha

1996 ⭐ 3.5
as Dread
Girlfriends

Girlfriends

2000 ⭐ 3.6
as Darnell Wilkes
On Air with Ryan Seacrest

On Air with Ryan Seacrest

2004 ⭐ 4.8
as Celebrity Courtyard Correspondent
New York Undercover

New York Undercover

1994 ⭐ 3.7
One on One

One on One

2001 ⭐ 4.0
as Flex Washington
The Parkers

The Parkers

1999 ⭐ 4.0
Carl Weber's The Family Business

Carl Weber's The Family Business

2018 ⭐ 4.3
as Low Jack
Ice

Ice

1998 ⭐ 2.6
as Kelvin
Poor Boy's Game

Poor Boy's Game

2007 ⭐ 2.8
as Ossie Paris
Her Minor Thing

Her Minor Thing

2005 ⭐ 2.3
as Marty
Kenan

Kenan

2021 ⭐ 3.5
as Derek
Love by the 10th Date

Love by the 10th Date

2017 ⭐ 3.2
as Preacher Hill