Production has begun for a film called The Time Traveller's Wife and Hailey McCann will be in it! She will play Alba, the daughter of Eric Bana's and Rachel McAdams' characters. The movie is about a librarian with a gene that causes him to time travel, and it will be released in 2008 (in USA).
This is according to http://www.hailey-mccann.co.nr/ and imdb.com 
Congratulations to Hailey!