In September 2009 , it was announced Cummings had joined the cast of '' Tomorrow , When the War Began '' , a film based on the John Marsden book of the same name . Cummings learned how to ride dirt bikes and operate AK-47 assault rifles before filming began . She also sat her year 11 exams early and missed the first part of year 12 , while shooting the film . Cummings earned a nomination for Best Young Actor at the 2010 Australian Film Institute Awards for her portrayal of Robyn Mathers
2010 Australian Film Institute Awards
2010 Australian Film Institute Awards
Ashleigh Cummings