She is best known for her roles in Home and Away (2003–2006), Transformers: Revenge of the Fallen (2009), Daybreakers (2009), The Pacific (2010), Immortals (2011), and Red Dawn (2012).
In 2014, she appeared alongside Karl Urban in the The Loft (2014), and in the following year, she appeared alongside Nick Jonas in the thriller film Careful What You Wish For (2015).
She auditioned for the role of Kit Hunter in Home and Away; although the producer of the show, Julie Mc Gauran, felt that role was not right for Isabel, she was sufficiently impressed to have a new character, Tasha Andrews, created for her.
In 2009, she appeared in the vampire science-fiction thriller film Daybreakers with Ethan Hawke and Willem Dafoe.
File this one under “Take it with a grain of salt”.