 Sermbezis played David Tennant's assistant in the Doctor Who spoof.She was Rob Brydon's agent in "Rob Brydon's Annually Retentive" for the BBC and Dr Judith MacIntosh in Channel 5's "A-Z of Sexual Fetishes" - a mockumentary produced by Rob Brydon's production company, Jones the Film.She also wrote and performed in the Jones the Film comedy "Being Beautiful".