Christopher B. Duncan is an American actor. He is known for his television roles like Braxton P. Hartnabrig in The Jamie Foxx Show, President William Johnson in The First Family, and Dunkan Bulk in Hero Factory, and portrayal of former U.S. President Barack Obama. 

Duncan received his B.F.A. in Acting from the University of Colorado, Boulder. 

Duncan had a starring role as Braxton P. Hartnabrig on The Jamie Foxx Show. He played the leading role of President William Johnson in the sitcom The First Family.

He also had long standing recurring roles on Jane by Design, Veronica Mars, Aliens In America, Lincoln Heights, The District, Soul Food, and Black Lightning. His guest starring credits include Martin, Rosewood, Castle, NCIS, Bones, Mental, ER, Boston Legal, 24, CSI, & The Practice.

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