Jessica Claire Timberlake (née Biel ; born March 3, 1982) is an American actress, model, producer and singer. Biel began her career as a vocalist appearing in musical productions until she was cast as Mary Camden in the family-drama series 7th Heaven, for which she achieved recognition. The series is the longest-running series that ever aired on The WB channel and the longest-running family drama in television history. In 2017, she was the executive producer of and starred in USA Network's limited drama series The Sinner, for which she received a Golden Globe nomination for Best Actress – Miniseries or Television Film and a Primetime Emmy Award nomination for Outstanding Lead Actress in a Limited Series or Movie.

In 1997, she won the Young Artist Award for Best Performance in a Feature Film – Supporting Young Actress for her role in Ulee's Gold. She is known for her role as Erin Hardesty in The Texas Chainsaw Massacre (2003). Biel has since starred in many films, including The Rules of Attraction (2002), Blade: Trinity (2004), Stealth (2005), The Illusionist (2006), The A-Team (2010) and Total Recall (2012).