an Entity references as follows:
Tomorrow, When the War Began is a 2010 Australian action-adventure war drama film written and directed by Stuart Beattie and based on the 1993 novel of the same name (the first in a heptalogy) by John Marsden. The film was produced by Andrew Mason and Michael Boughen. The story follows Ellie Linton, one of seven teenagers waging a guerrilla war against an invading foreign power in their fictional hometown of Wirrawee. The film stars Caitlin Stasey as Ellie Linton and features an ensemble cast including Rachel Hurd-Wood, Lincoln Lewis and Phoebe Tonkin. Production began in September 2009.