Jamil Walker Smith

Jamil Walker Smith is an American actor. His best known role is as the voice of Gerald, a fourth grader and Arnolds best friend in the Nickelodeon TV series Hey Arnold. He also appeared on various shows like Sister, Sister, Girlfriends, Bones, The XFiles, and The Bernie Mac Show. He is an actor by trade and writes, acts and directs his own short film projects. He played Master Sergeant Ronald Greer in both seasons of Stargate Universe. His voice acting for Gerald Johanssen on Hey Arnold and in Hey Arnold The Movie was digitally mastered to a higher pitch by using sound audio.

Smith was born on August 20, 1982 in New York City, New York. Smith has been a professional actor since the age of 6, performing in local theaters in his native Los Angeles, where he was nominated for two NAACP Theatre Awards and was selected as a California Arts Scholar. Smiths first gig in the business was at the age of 12, guest starring in an episode of the selftitled sitcom The Sinbad Show. Smith majored in Theater Arts at SUNY Purchase. Smith is managed by Luber Roklin Entertainment.

Source: Wikipedia