Robinson was born in Louisville, Kentucky and later moved to Augusta, Georgia. While attending the University of Georgia, Robinson signed a recording contract with Motown Records, although the label never issued any of his material. Moving to Los Angeles and turning to acting, Robinson gained a starring role in the TV series Power Rangers Lightspeed Rescue. After the end of the series, he appeared in such films as Fat Albert, and Mimic: Sentinel. Robinson also appeared in such television series as American Dreams, Monk, and Over There. Robinson had recurring roles on the UPN series Half & Half. Robinson recently played in Fox's Canterbury's Law. Robinson has a role in the film adaptation the Broadway musical Dreamgirls. The film includes a Robinson-led version of the Dreamgirls song "Family". Robinson joined his fellow Dreamgirls cast members to perform "Patience", one of the new songs written for the film, at the 79th Academy Awards ceremony. He appeared in the film This Christmas. Robinson also performed in Comanche Moon:Road to Lonesome Dove.