"You Little Thief" is pop vocalist Feargal Sharkey's first single of 1986 and follow-up to previous hit "A Good Heart". The single had a music video created for promotion. The b-side for the single "The Living Actor" was exclusive to the single. The single was written by member of Tom Petty's band Benmont Tench about his relationship with Maria McKee who had written Sharkey's previous hit single "A Good Heart", based on Tench. Sharkey placed them next to each other on his debut album. This was Sharkey's second and last major hit, becoming a strong hit throughout Europe.