in the new scifi action rollercoaster world invasion battle los angeles aaron eckhart leads a ragtag group of marines to take on a merciless invading alien force with over 25 films to his credit eckhart first garnered international attention in 1997 for his breakthrough role in neil labutes in the company of men hes since starred in such diverse hits as christopher nolans blockbuster the dark knight indie favorite thank you for smoking and most recently in the critically acclaimed drama rabbit hole opposite nicole kidman world invasion battle los angeles seems to be a very different film than what youve done before it is ive done a lot of independent films and a lot of dramas this past year ive had rabbit hole come out but i always approach each movie the same way i always try to get to the reality of the character of the story in that sense theyre all the same to me but in terms of what was asked of the character in terms of the physicality this was by far the hardest film ive ever made i mean this movie is just a kick ass absolute full on adrenaline rush tell us about who you playi play staff sergeant nantz im a retiring marine at the beginning of the movie im on my way out im kind of like that salty hardened warrior and i have to go back in with a bunch of young marines who are not seasoned who are inexperienced to go and fight a very potent forcethe supporting cast certainly has some familiar faces and some interesting new ones michelle rodriguez first of all who was really great to work with shes so gung ho and she loves to get down and get dirty bridget moynahan was also a great inspiration always working hard always in character and then you have all these kids that are there you know for many of them it was their first movie how did you prepare for the roleid done my own training with the marines for a few months before and then we all got together down in louisiana three weeks before the film started and went through a boot camp we had three marines there training us we ate together we showered together we started with a group of guys who didnt know each other and by the end had real relationships and knew each other intimately it gave us a sense of camaraderie that shows through what were your expectations like when you were first starting outwell i had none all i knew is that i wanted to be an actor i started acting in high school when i was 14 and i didnt get my first job on screen until i was 27 ive always been interested primarily in acting as opposed to being a movie star or a famous person world invasion battle los angeles opens nationwide on 11 march 2011