Sam Claflin

Hunger Games: Catching Fire actress Jena Malone says that preparing for her post-apocalyptic role was pretty extreme.

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In the Lionsgate BeFit video below, Malone and her co-star Sam Claflinshare a behind-the-scenes look at what they did in order to get into shape for their demanding roles. Watch as they discuss their grueling five-and-a-half-month workout regimen, which was comprised of a combination of dieting, stunt training, weapons training, strength conditioning, and extreme endurance workouts that left them in top shape.

Get more free daily workouts from the BeFiT Channel here.