One of her best-known roles was a supporting character in Disturbia, and she has also starred in a number of films including Asylum, Hachi: A Dog's Tale, Fired Up!, Waking Madison, and The Con Artist, as well as the television series The Event and Chosen.

She attended Horizon Junior and Senior High School and relocated to Los Angeles and started her modeling career.

[2] In the 2006 horror film The Grudge 2 she portrays Lacey Kimble, a high school student and young cheerleader.

[6] Disturbia was released on April 13, 2007, to a positive critical reception and debuting at number one in its first week at the box office.

[7] She also starred alongside Dakota Fanning, Kristen Stewart and Virginia Madsen in the Kate Hudson–directed short film Cutlass.

Roemer appeared in the music video for "Come Back to Me" by American Idol contestant David Cook.