Alexa Helen Nikolas (born April 4, 1992) is an American actress. She is best known for her role as Nicole Bristow on the Nickelodeon television series Zoey 101. Nikolas has also appeared on various other series, including ER, Without a Trace, Ghost Whisperer, Criminal Minds and Lie to Me.
Nikolas portrayed the role of Nicole Bristow on the Nickelodeon series Zoey 101. She co-starred in the program along side Jamie Lynn Spears and Kristin Herrera who were in the first season, as well as Victoria Justice, who joined the program in the second season. Nikolas left the show after the second season for personal reasons. She appeared on Hidden Hills regularly and also on the 2005 mini- series Revelations. She also guest-starred in several other programs, most notably The Suite Life of Zack and Cody, Judging Amy, Criminal Minds and Heroes.
Nikolas appeared in a supporting role alongside Vanessa Hudgens in the latter's music video, "Come Back to Me". Nikolas appeared in the films Motocross Kids and Tiptoes. In 2009, she appeared in the remake of Children of the Corn, playing the role of the love interest of one of the antagonists. Also in 2009, she appeared on the show Lie to Me, playing the role of Amanda Dunbar, in the ninth episode of Season 3.