Ah, kids. Their smiles can warm your heart and their little bodies can serve as perfect human shields when faced with a knife-wielding psycho.

Here we have on-the-set photos of Australian actress Abbie Cornish using a child to beat up an assailant. The pics are from the upcoming sci-fi/drug thriller Limitless, costarring Bradley Cooper and Robert De Niro.

To see shots of Cornish and Cooper on the Limitless set, click here.

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