<P> Director Wyler had flown combat missions over Europe in filming Memphis Belle (1944) and worked hard to get accurate depictions of the combat veterans he had encountered . Wyler changed the original casting that had featured a veteran suffering from posttraumatic stress disorder and sought out Harold Russell, a non-actor to take on the exacting role of Homer Parrish . </P> <P> For The Best Years of Our Lives, he asked the principal actors to purchase their own clothes, in order to connect with daily life and produce an authentic feeling . Other Wyler touches included constructing life - size sets, which went against the standard larger sets that were more suited to camera positions . The impact for the audience was immediate, as each scene played out in a realistic, natural way . </P> <P> The Best Years of Our Lives began filming on April 15, 1946 at a variety of locations, including the Los Angeles County Arboretum and Botanic Garden, Ontario International Airport, Ontario, California, Raleigh Studios, Hollywood, and the Samuel Goldwyn / Warner Hollywood Studios . The Best Years of Our Lives is notable for cinematographer Gregg Toland's use of deep focus photography, in which objects both close to and distant from the camera are in sharp focus . For the passage of Fred Derry's reliving a combat mission while sitting in the remains of a former bomber, Wyler used "zoom" effects to simulate Derry's subjective state . </P> <P> The "Jackson High" football stadium seen early in aerial footage of the bomber flying over the fictional Boone City, is Corcoran Stadium located at Xavier University in Cincinnati . A few seconds later Walnut Hills High School with its distinctive dome and football field can be seen along with the downtown Cincinnati skyline (Carew Tower and PNC Tower) in the background . </P>

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