Adkins made his debut in 1996, in the shows Small Talk and in Sabrina, the Teenage Witch. He appeared in the series ER, and C-16: FBI, and in the films ...First Do No Harm, Stir, Titanic. He voiced Duby in the film Baby Geniuses. He had a role in the television movie Wuthering Heights, and in the feature films Funky Monkey, Bad News Bears, Privileged, and Let Me In. Adkins also appeared in the television series CSI: Miami and Touched by an Angel, Judging Amy, NCIS: Naval Criminal Investigative Service, and Crash.