She played the lead role in Ti West's critically acclaimed horror film The House of the Devil, winning Best Actress at the 2009 LA Screamfest,[1] and young version of Barbara Hershey's character in Insidious: Chapter 2.

[5] After a supporting role in the Western horror film The Burrowers (2008), Donahue was cast as the lead in The House of the Devil in 2009.

She went on to play leading roles in The Last Godfather by Korean filmmaker Shim Hyung-rae, and in the independent film Live at the Foxes Den.

In 2012 she appeared in The End of Love, and worked with director Terrence Malick on Knight of Cups.

[3] As an actress in commercials, she has appeared in numerous national campaigns, including ads for Levi's, Zune, Vitamin Water, Apple, Subway, and Mercedes-Benz.