While at drama school, Smith was a winner of the Carleton Hobbs Bursary and has since performed in more than fifteen BBC Radio productions.
Smith made her television debut in a 2006 episode of BBC hospital drama Holby City.
She subsequently appeared in ITV drama Strictly Confidential, alongside Suranne Jones, in one episode as the character Tanya Melton.
Smith made her stage debut in the 2006 play The Pocket Orchestra at the Trafalgar Studios in London.
After a successful Kickstarter campaign, in 2016 Smith's short film Mdudu Boy premiered, featuring Kenyan footballer Victor Wanyama.