He is most famous for his roles in "Star Stories", "The Fast Show", "Sirens" and "Nathan Barley". He also appears as Gary Bellamy on Radio 4's "Down the Line" and its television spin-off, "Bellamy's People". Thomas was nominated for the Breakthrough Talent Award at the 2013 BAFTA Awards for producing and directing the acclaimed feature-length documentary "" and subsequently won Best Arts Documentary in both the 2013 Rose D'Or and International Emmy Awards. He co-wrote, produced, directed and co-starred in the critically acclaimed spoof music documentary series "The Life of Rock with Brian Pern" on BBC Four and BBC Two.