Viola Johnson is a maid for U.S. Secretary of Defense. She lives in the historical Anacostia neighborhood of Washington, DC, and has a son, Grayson, who attends a local university. She also has a brother, Albert. Viola is a woman of faith with a strong belief in God.

She was coerced by Philip and Elizabeth to help the KGB by placing a bug in Weinberger's office. She later confessed to Mrs. Weinberger and told the FBI everything she knew.