Johnson had his story group watch films such as Twelve O'Clock High, The Bridge on the River Kwai, Gunga Din, Three Outlaw Samurai, Sahara, and Letter Never Sent for inspiration while developing ideas.
Johnson fik gruppen, der arbejdede med historien, til at se film så som Twelve O'Clock High, Broen over floden Kwai, Gunga Din, Three Outlaw Samurai, Sahara og Letter Never Sent som inspiration, mens de udviklede ideer til filmen.