 Horgan made a brief appearance in BBC's "Extras" before appearing as a guest booker in two series of "Rob Brydon's Annually Retentive" (2006–07), also on the BBC, a spoof comedy set behind the scenes of a chat show presented by Rob Brydon.She won a British Comedy Award in 2007 for Best Female Newcomer for her performance.In 2010 Horgan appeared in "The Increasingly Poor Decisions of Todd Margaret".