• Flex Alexander (Mark Alexander Knox) was born on the 15 April 1970 in Harlem, New York City.
• He is known for his extraordinary dance skills, which earned him the nickname "Flex".
• His career includes stand-up comedy, acting, choreographing, and hosting.
• He has been married to R&B singer Shanice Wilson since 2000 and has two children.
• Flex's net worth is estimated at $250,000 as of 2020.

Known for movies

Short Info

Date Of BirthApril 15, 1970, April 15, 1970
SpouseShanice, Shanice
FactIn 2006 he participated in the 9th annual Michael Jordan Senior Flight School basketball camp to the delight of several young fans.


Flex Alexander is a face most would recognize. His comedy and dancing skills have earned him a prominent career and fame, however, his life hasn’t been without struggles. How old is Flex Alexander? What is his net worth in 2020? Keep on reading to find out.

Early life and Dancing

Mark Alexander Knox was born on 15 April 1970, in Harlem, New York City USA, to parents Robert Whitehead and Alethia Knox. He grew up in New York, where he made his pocket money as a dancer in night-clubs. It was then when he became known as “Flex”, thanks to his extraordinary dance skills.

Posted by Flex Alexander on Friday, April 30, 2010

He was discovered while still a teen by Deidra Muirel Roper, better known as DJ Spinderella, who connected him with a rap dance group Salt-n-Pepa. Flex stayed with the group for three years, and at the same time he was a choreographer for Queen Latifah and Mary J. Blige.


Flex’s stand-up comedy debut was in 1989 and he quickly became a regular at Uptown Comedy Club, the skit comedy show that lasted from 1992 ‘til 1994. After this, he pursued further his acting career, which ended up being the right choice. His first time on television screens was in the ABC short-lived television series “Where I Live”, with Doug E. Doug in a main role.

The sitcom was cancelled later that year, despite gaining positive reviews from both critics and audience. After that, he went on to guest star in “The Cosby Mysteries” and “Sister, Sister”. In 1995 he moved to Los Angeles, and the next year had a main role in the show “Homeboys in Outer Space”, but this series flopped with both charts and the critics and was canceled after a short while. The same year, Flex joined the cast of Steven Bochco’s “Total Security”, but he was followed by the same bad luck as this show was cancelled as well.

Flex Alexander

By the end of the ‘90s, he had guest-starred in “The Parkers” and “Brooklyn South”, while also landing roles in a number of movies such as “Backroom Bodega Boys” and “She’s All That”. He started the next millennium playing Darnell, Maya Wilkes’ husband, in the UPN sitcom “Girlfriends”, but left the series to focus on his own project – another UPN sitcom called “One on One”, in which he played Mark “Flex” Washington, a single father. This project earned him three nominations for NAACP Image Awards. He also won BET Comedy Awards in two categories.

Flex also got recognition for portraying Michael Jackson in “Man in the Mirror: The Michael Jackson Story”, a VH1 television biopic from 2004. This role also helped him achieve another nomination for an NAACP Image Award. After “One on One” ended in 2005, Flex continued in numerous films, including “Snakes on the Plane” from 2006 next to Samuel L. Jackson, and “The Hills Have Eyes 2”, an unsuccessful horror movie from the same year. He was also a guest in two episodes of the TV series “CSI: Miami”, and played Demarcus King in the pilot episode of “Blue Bloods” in 2010.

He also acted in the 2012 television series “Single Ladies”, as well as in other sitcoms such as “Masters of Sex”, “Lucifer”, “In the Cut” and “Grey’s Anatomy”. He performed in several movies as well, including “My Sister’s Wedding”, “Grandma’s House” and “Maybe I’m Fine”. He was also a host of “Lawd Have Mercy”, a comedy TV show that aired in 2017, in which a satirical look is taken at religion.


After dating for over five years, Flex married Grammy-nominated R&B singer Shanice Wilson, on Valentine’s Day of 2000. As of today, the couple is still apparently happily married.

They welcomed their first child, daughter Shekinah Alexander Knox, on 23rd August 2001, and their son Elijah Alexander Knox was born three years later, on 5th March 2004. The couple had their own reality TV show called “Flex and Shanice” that aired on Oprah Winfrey Network for three seasons from November 2014 until August 2016.

Personal Life

Flex keeps his personal life rather private. Known facts are that he is a born-again Christian, and that he is also a proud disciple of the Phi Beta Sigma Fraternity, Inc. After his show “One on One” was finished, he and his wife were faced with bankruptcy, having big trouble with their finances.

They even had to spend their retirement savings to cover their LA home mortgage and other expenses, and moved in with some of their family members to save some money. They kept their struggles private until they opted to show everything in their “Flex and Shanice” show. He and his wife Shanice celebrated their daughter’s prom in 2019 and bragged about her being top of her class.

Net worth

Information about Flex’s finances are hard to find.

He even kept his bankruptcy a secret until his reality show premiered in 2014. Still, taking into consideration his numerous acting roles as well as his career as a choreographer, his net worth is estimated by sources at around $250,000 as of early 2020, which shows that his finances are starting to improve.

Physical characteristics

Flex holds American nationality and his ethnicity is black. He is rather tall with a height of 6ft 3ins (1.9m). He has a healthy, good looking body and weighs around 85 kilograms (183lbs). His black hair is cut short, and his eyes are dark.

General Info

Full NameFlex Alexander
Date Of BirthApril 15, 1970, April 15, 1970
Height1.91 m
ProfessionTelevision producer, Comedian, Actor, Dancer
NationalityAmerican, Panamanian


SpouseShanice, Shanice
ChildrenImani Shekinah Knox, Elijah Alexander
ParentsRobert Whitehead, Alethia Knox


NominationsNAACP Image Award for Outstanding Actor in a Television Movie, Mini-Series or Dramatic Special, NAACP Image Award for Outstanding Actor in a Comedy Series, NAACP Image Award for Outstanding Actor in a Television Movie, Mini-Series or Dramatic Special, NAACP Image Award for Outstanding Actor in a Com...
MoviesSnakes on a Plane, The Hills Have Eyes 2, Man in the Mirror: The Michael Jackson Story, Out Cold, Poor Boy's Game, Her Minor Thing, Money Train, City of Industry, Love and Other Four Letter Words, Santa and Pete, Gas, The List, Soul Ties, The Real: Rucker Parks Legends
TV ShowsOne on One, Homeboys in Outer Space, Where I Live, Flex & Shanice, Total Security, One on One, Homeboys in Outer Space, Where I Live, Flex & Shanice, Total Security

Social profile links


1In 2006 he participated in the 9th annual Michael Jordan Senior Flight School basketball camp to the delight of several young fans.
2Is a member of Phi Beta Sigma Fraternity, Inc.
3Son, Elijah Alexander, was born on March 5th, 2004
4Daughter, Imani Shekinah Alexander, was born August 23, 2001.




Soul Ties2018completedJessie
The 10th Date2017TV Movie post-productionPreacher Hill
Grandma's House2016/IThomas
Masters of Sex2013TV SeriesWalter
My Sister's Wedding2013Matthew
The Client List2013TV SeriesThe Wolf
24 Hour Love2013Bradford
Single Ladies2012TV Series
Sketchy2012TV SeriesKyrone
Blue Bloods2010TV SeriesDemarcus King
CSI: Miami2007-2010TV SeriesBeau Lendell / Martin Wilson
Nice Girls Don't Get the Corner Office2007TV MovieDeef
The List2007/IIChet
The Hills Have Eyes II2007Sarge
Poor Boy's Game2007Ossie Paris
Love... & Other 4 Letter Words2007Arnold
Snakes on a Plane2006Three G's
Her Minor Thing2005Marty
Cuts2005TV SeriesFlex Washington
Shira: The Vampire Samurai2005VideoSmall Change Willie (as Flex)
Man in the Mirror: The Michael Jackson Story2004TV MovieMichael Jackson
Out Cold2001Anthony
Girlfriends2000-2001TV SeriesDarnell Wilkes
The Parkers2000TV SeriesAndy
The Force1999TV Movie
Santa and Pete1999TV MoviePete
The Apartment Complex1999TV Movie
She's All That1999Kadeem
Ice1998TV MovieKelvin (as Flex)
Modern Vampires1998TV MovieTrigger (as Flex)
Backroom Bodega Boyz1998Video as Flex
Brooklyn South1997TV SeriesBuster
Homeboys in Outer Space1996-1997TV SeriesTyberius Walker
Moesha1997TV SeriesDread
The Sixth Man1997Jerrod Smith (as Flex)
City of Industry1997A Roc (as Flex)
Total Security1997TV SeriesNeville Watson
Money Train1995Hood (as Flex)
The Cosby Mysteries1995TV SeriesPartygoer
New York Undercover1994TV SeriesMecca
Sister, Sister1994TV SeriesCold Dog
Where I Live1993TV SeriesReggie Coltrane
Juice1992Contest Auditioner (as Mark 'Flex' Knox)
The Uptown Comedy Club1992TV SeriesVarious Characters


Uptown Comedy Club: The Birth of Hip Hop ComedyDocumentary co-executive producer completed
One on OneTV Series co-executive producer - 91 episodes, 2002 - 2006 producer - 22 episodes, 2001 - 2002


Cuts2005-2006TV Series consultant - 3 episodes
New Jack City1991assistant choreographer - as Flex


One on One2003TV Series story - 1 episode
Def Comedy Jam1995TV Series 1 episode
The Uptown Comedy Club1992TV Series 1993


Uptown Comedy Club: The Birth of Hip Hop ComedyDocumentary completed
Hollywood Today Live2016TV SeriesHimself
The Wendy Williams Show2016TV SeriesHimself
2015 Soul Train Awards2015TV MovieHimself
Gotham Comedy Live2015TV Series documentaryHimself - Host
The Comedy Underground Series, Vol. 42015TV MovieHimself - Host
Flex & Shanice2014-2015TV SeriesHimself
The Comedy Underground Series, Vol. 32015TV MovieHimself - Host
Ice & Coco2015TV SeriesHimself
The View2015TV SeriesHimself
Minay TV2015TV SeriesHimself - Guest
Steve Harvey2014TV SeriesHimself
The Real2014TV SeriesHimself
Unsung2014TV Series documentaryHimself
Entertainment Tonight2014TV SeriesHimself - Special Correspondent / Himself
Mind of a Man2014TV SeriesHimself - Panelist
The Mo'Nique Show2010-2011TV SeriesHimself
An Evening of Stars: Tribute to Patti LaBelle2009TV MovieHimself
American Idol2008TV SeriesHimself
Up Close with Carrie Keagan2007TV SeriesHimself
Meet the Reptiles2006Video documentary shortHimself - '3G's'
Pure Venom: The Making of 'Snakes on a Plane'2006Video documentary shortHimself - '3G's'
Snakes on a Blog2006Video documentary shortHimself - '3 G's'
ESPN Hollywood2006TV SeriesHimself
Snakes on a Set: Behind the Scenes2006Video documentary shortHimself
The Snake Pit: On the Set of 'Snakes on a Plane'2006Video documentary shortHimself
The Tom Joyner Show2005TV SeriesHimself
Made You Look: Top 25 Moments of BET History2005TV Special documentaryHimself
2005 BET Comedy Awards2005TV SpecialHimself
The 2nd Annual BET Comedy Awards2005TV SpecialHimself
Dennis Miller2005TV SeriesHimself
The Wayne Brady Show2004TV SeriesHimself
Vibe Awards2003TV SpecialHimself
Pyramid2003TV SeriesHimself
The Sharon Osbourne Show2003TV SeriesHimself
Sweet Oranges2003VideoHimself
9th Annual Soul Train Lady of Soul Awards2003TV SpecialHimself - Presenter
34th NAACP Image Awards2003TV SpecialHimself
2001 Lady of Soul Awards2001TV SpecialHimself - Presenter
Source Hip-Hop Awards Pre-Show2001TV SpecialHimself
It's Hot in Here: UPN Fall Preview1996TV Movie documentaryHimself
Def Comedy Jam1995TV SeriesHimself - Comedian
The Uptown Comedy Club1992TV SeriesHimself - Host / Various (1993) (as Flex)
Showtime at the Apollo1992TV SeriesHimself


Nominated Awards

2005BET Comedy AwardBET Comedy AwardsOutstanding Lead Actor in a Comedy SeriesOne on One (2001)
2005Image AwardImage AwardsOutstanding Actor in a Comedy SeriesOne on One (2001)
2005Image AwardImage AwardsOutstanding Actor in a Television Movie, Mini-Series or Dramatic SpecialMan in the Mirror: The Michael Jackson Story (2004)
2004BET Comedy AwardBET Comedy AwardsOutstanding Lead Actor in a Comedy SeriesOne on One (2001)
2004Image AwardImage AwardsOutstanding Actor in a Comedy SeriesOne on One (2001)
2003Image AwardImage AwardsOutstanding Actor in a Comedy SeriesOne on One (2001)

Source: IMDb, Wikipedia

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