Onscreen, he is best known for his role as "Sledgehammer" Big Wes, a middle school basketball team player in the 2005 film Rebound starring Martin Lawrence.
On television, Parker played the supporting role of Harold, a young medical intern, on the 14th season of ER.
[citation needed] On October 26, 2015, Lost the Musical: We Have to Go Back (co-written by Parker with Steven Brandon) premiered at the Lillian Theater in Hollywood.
[3] The show premiered at the Macha Theatre in West Hollywood,[8] and also performed in San Diego during 2017 Comic-Con[9] before moving to the Jerry Orbach Theater Off Broadway in NYC.
[4] The show received generally positive reviews, with the NY Times saying "With breakneck pacing, the show, which originated on the West Coast, blends deep affection for 'Thrones' with a keen satirical eye";[5] The Hollywood Reporter saying the show "offers a clever mix of first-season (or book, if you're so inclined) storylines, snarky pop culture references and not-so-subtle foreshadowing";[8] and StageBuddy.com saying "it was easy to see why parodies are so popular after seeing the Game of Thrones version.."[10]