Langton came to fame on the television series Melrose Place, playing Samantha Reilly Campbell. After Melrose Place, she starred in The Net, a television drama based on the 1995 film of the same name. Langton starred as Angela Bennett, the character played by Sandra Bullock in the film. It was produced in Vancouver, Canada, it originally aired on the USA Network.

She also appeared alongside Keanu Reeves and Gene Hackman in the 2000 film The Replacements, and had a brief role in the 1996 indie film Swingers. In addition to these films, she has starred in a number of smaller films like Partner(s) with Jay Harrington and Julie Bowen, Playing Mona Lisa with Alicia Witt, and Kiss the Bride with Alyssa Milano. Her most recent film role was in the film Primeval, which was released in January 2007, as well as an appearance in the video for the song "(You Want to) Make a Memory" by Bon Jovi. Much of her role as the wife of Kyle Chandler's character in the film The Kingdom, released on S