Played by Maggie Elizabeth Jones , Rosie lights up the screen every time she appears , and manages to overcome the potential `` too cute , too precocious '' pitfalls that so many adorable cinema tykes fall prey . Matt Smith plays young Ben Benjamin in ` ` We Built a Zoo '' The movie is genuinely funny , sweet and kindhearted , our director says . He says it 's great counterprogramming to some of heavier end - of - year releases .
Matt Smith plays young Ben Benjamin in ` ` We Built a Zoo '' The movie is genuinely funny , sweet and kindhearted , our director says . He says it 's great counterprogramming to some of heavier end - of - year releases .