 As an actor, Smith has played roles in the acclaimed BBC series "Rev" and "Miranda", as well as Channel 4's "The Inbetweeners".He also provided voices for the characters Budge and Koggs on the cult CBBC series "Big Babies", for which he also sang the theme tune.In 2013 Smith also guest starred in the Channel 4 comedy-drama series "Derek", in which he played a young man sentenced to community service in a nursing home.