Flex Alexander: Age, Height, Bio & Wife Shanice

Flex Alexander has a net worth of $250 thousand as of 2026, a sharp drop from the millions he earned at the height of his television career. The actor, dancer, and comedian built his fortune through his sitcom “One on One” and a string of film roles before a well-documented financial collapse forced him to rebuild from close to nothing.

Quick Facts

DetailInformation
Real NameMark Alexander Knox
Date of BirthApril 15, 1970
Age56
BirthplaceHarlem, New York City
Height6 ft 4 in
ProfessionActor, Dancer, Comedian
SpouseShanice Wilson
Net Worth$250 Thousand
Source of WealthTelevision, Film, Theater
NationalityAmerican

Who Is Flex Alexander

Flex Alexander is an American actor best known for creating and starring in “One on One,” the UPN sitcom that ran for five seasons in the early 2000s. He started as a dancer in New York nightclubs as a teenager, where his acrobatic moves earned him the nickname that stuck for the rest of his career.

Flex Alexander net worth during One on One television career


Before he ever stepped in front of a camera, he toured with Salt-N-Pepa after being discovered by DJ Spinderella and spent three years on the road with the group. He also choreographed for Mary J. Blige and Queen Latifah, work that gave him his first real exposure to the entertainment business from behind the scenes.

Flex Alexander Net Worth Explained

Flex Alexander’s current net worth sits at roughly $250 thousand, a figure confirmed across multiple entertainment finance trackers as of 2026. That number reflects where his finances stand today, not where they were during his peak earning years on network television.

At the height of “One on One,” Alexander was pulling in a strong sitcom salary across five seasons, plus additional income from film roles and endorsement work. The show earned him three NAACP Image Awards and two BET Comedy Awards, and it made him one of the more recognizable comedic leads on television during that stretch.

His finances took a significant hit after the show ended, and he has spoken publicly about the collapse that followed, including losing a home and going through a period of serious financial hardship. He has since worked to rebuild through continued acting, producing, and stand-up comedy, though his current net worth still reflects the scale of that setback rather than a full return to his earlier peak.

Early Life And Dance Career

Alexander was born Mark Alexander Knox on April 15, 1970, in Harlem, New York, to Alethia Knox and Robert Whitehead. He grew up in a tough section of the city and found an early outlet in dance, spending his teenage years performing in New York nightclubs.

His acrobatic style set him apart from other dancers, and it is where the nickname “Flex” came from. That reputation led to work touring with Salt-N-Pepa and later choreographing for major R&B and hip hop acts, laying the groundwork for a broader entertainment career.

Flex Alexander net worth film career premiere


He made his Broadway debut in 1989 in “Sophisticated Ladies,” an early sign that his ambitions extended past dance and into acting and stage performance.

Acting Career And Breakthrough With One On One

Flex Alexander won his first film role in the 1992 urban drama “Juice.” Through the 1990s, he built a resume of television guest spots and supporting roles, including appearances on “Hangin’ with Mr. Cooper” and “Living Single.”

His biggest break came with “One on One,” a UPN sitcom he created and starred in that ran for five seasons starting in the early 2000s. The show centered on a single father raising his teenage daughter and became one of the network’s signature comedies, cementing Alexander as a leading man in television at the time.

He also took on a high-profile dramatic role, playing Michael Jackson in the VH1 biopic “Man in the Mirror: The Michael Jackson Story,” a part that showed a different side of his range beyond comedy.

Film And Television Roles

Beyond “One on One,” Alexander built a solid film career in supporting roles across comedies and action films. He appeared in “Snakes on a Plane,” “Out Cold,” and “The Hills Have Eyes II,” along with comedic hits “Big Momma’s House 2” and “Johnson Family Vacation.”

He also had a role in “Biker Boyz” and the drama “Unconditional Love,” rounding out a filmography that spans comedy, drama, and action across more than three decades in the industry.

Theater Work

Alexander has stayed active in theater throughout his career, appearing in productions including “For Colored Girls Who Have Considered Suicide When the Rainbow Is Enuf,” “Bring da Noise, Bring da Funk,” and “Dreamgirls.” His theater work traces back to his roots as a dancer and performer, and it has remained a consistent part of his career even as his television and film work has slowed.

He has also continued performing stand-up comedy, an avenue that has helped him stay connected to audiences and generate income outside of scripted television and film work.

Personal Life And Marriage To Shanice

Flex Alexander is married to R&B singer Shanice Wilson, known for her 1991 hit single “I Love Your Smile.” The couple has built a public profile together over the years, appearing on reality television and speaking openly about both the highs of their careers and the financial struggles that followed the end of “One on One.”

Flex Alexander net worth wife Shanice


Their willingness to discuss those struggles publicly has made their story resonate with fans who followed Alexander’s rise on network television and the harder chapter that came after.

Height, Age, and Physical Details

Flex Alexander stands 6 feet 4 inches tall and was born on April 15, 1970, making him 56 years old as of 2026. He has dark brown eyes and black hair, and his tall, athletic build was part of what made him stand out during his early years as a dancer before he transitioned into acting.