Sarah Christine Roemer is an American actress and model from San Diego, California.

She is of German, English ancestry with small amount of Scots-Irish and Scottish ancestry. She began a modeling career in 2000 after she was discovered while buying coffee at a local 7-Eleven while attending Horizon Jr/Sr High School. Roemer made her screen debut in 2006 portraying Lacey Kimble in the horror film The Grudge 2. She portrays a high school student and young cheerleader. The film was released October 13, 2006. Despite a negative critical reception, the film managed to have box office success grossing $70,711,175 worldwide. She also had a small role in the independent film Wristcutters: A Love Story portraying Rachel.

In 2007 she starred alongside Shia LaBeouf, Carrie-Anne Moss and David Morse in Paramount Pictures American thriller Disturbia. She also starred alongside Dakota Fanning, Kristen Stewart and Virginia Madsen in the Kate Hudson–directed short film "Cutlass". In 2008 Roemer starred alongside Travis Van Winkle and Ellen Hollman in Asylum. In 2009, Roemer starred in the teen comedy film Fired Up. 

In 2009 Roemer portrayed Andy Wilson, the daughter of Richard Gere's character Parker Wilson in the American drama film Hachiko: A Dog's Story. The film is an American adaptation of the 1987 Japanese film Hachikō Monogatari. She also starred in the independent film Falling Up which was released to mixed reviews and was released straight-to-DVD in late 2009. Roemer appeared in the music video for "Come Back To Me" by American Idol contestant David Cook.

In 2010 she starred in the independent drama/thriller Locked In, portraying Emma Sawyer. She also portrayed the role of the central character Madison Walker in the independent drama Waking Madison which was released straight-to-DVD on July 12, 2011. She also appeared as Kristen in the 2010 independent romantic comedy, The Con Artist, with Donald Sutherland and Rebecca Romijn. Roemer starred in the NBC drama series The Event.

Sarah can be seen playing the role of Avery Sharp in the TV series CHOSEN.