Alessandra Torresani is an American actress. She started her acting career in the mid-90s. During her beginnings, she made guest appearances in such TV shows as ER and Working. She made her first film appearance in Lost and Found. In the 2000s, she continued guest-appearing on many shows like Popular and Even Stevens. Her first starring role on the small screen was as Zoe Graystone in the TV series Caprica. She next appeared as Haley in 8 episodes of Husbands. More recently, she became known for her recurring role as Claire in the popular series The Big Bang Theory.