She hosted the first season of the Oxygen reality series Hair Battle Spectacular in 2010.
'My life continues to be a bundle of incredible experiences,' Marcille explained.
'I get to do this incredible show on BET and I get to be a mom and live this amazing life that God has bestowed upon me.
Her prizes included a Cover Girl cosmetics contract, a spread in Elle, and a modeling contract with Ford Models. She has stated she did this in order to not use her modeling fame to get into acting but earn her acting roles. Marcille has guest-starred on several series on UPN and The CW Network.
Her speech that closed Cycle 3 of America's Next Top Model was: ... Her guest-star credits include two episodes of Kevin Hill, one episode of Smallville, one episode of Everybody Hates Chris, and one episode of The Game as herself.
In 2009, Marcille was nominated for two NAACP Image Award for Outstanding Actress in a Daytime Drama Series for her Y&R role but didn't get the awards. In film, her credits include The Walk, Crossover, and, most recently, I Think I Love My Wife.
She appeared in a June 2009 episode of the BET prank show Played by Fame, where contestants have nightmarish dates with celebrities.
Marcille has also appeared on Tyler Perry's House of Payne.
In addition, Marcille hosted BET J's reality show My Model Looks Better Than Your Model, as well as Rip the Runway on BET.
In 2008 she joined the cast of The Young and the Restless as a young mother named Tyra Hamilton.
(Contrary to speculation, Marcille's character was not named after Tyra Banks, but for The Young and The Restless' head writer Maria Arena Bell's best friend's daughter whose name is Tyra.) After a few months, her character, who was planned to be temporary was made permanent.
She attended Clark Atlanta University in Atlanta, Georgia; however, she left the school shortly after winning the third cycle of America's Next Top Model. I came here the shortest and the one that had the most insecurities inside of them, and now I’m America’s Next Top Model. — America's Next Top Model, Cycle 3 Finale "The Girl Who Wins it All" Her other modeling credits include Cover Girl, DKNY, Samsung, Red by Marc Ecko, Jewel magazine, In Touch Weekly magazine (June 2005), King magazine (November 2005), We The Urban Magazine, IONA, UNleashed magazine, Star Magazine, Elle, Elle Girl, Applebottoms, Lerner Catalog, Avon Campaign 4 and Rolling Out. On November 15, 2006, Marcille left her managers Benny Medina and Tyra Banks. She has been featured on America's Next Top Model: Exposed on the CW.