Benjamin Harvey Bailey Smith (born 21 September 1977), also known by the stage name Doc Brown, is an English actor, comedian, rapper, screenwriter, songwriter, and voiceover artist. He portrayed DS Joe Hawkins in the television series Law & Order: UK. He is also known for portraying Nathan Carter in the CBBC television series 4 O'Clock Club from 2012 to 2015.

He also voiced a number of episodes of the popular show Funny Animals: Unleashed. This show was aired via 4MUSIC.