Home Health-Fitness Get In Fighting Shape: The Divergent Casts Workout Secrets. Divergents fight coordinator, J.J. Perry, was given a mission: whip six Hollywood actors into kickass shape, so they dont huff-and-puff while sprinting, punching, and throwing knives onscreen. His deadline? Five weeks. Heres how he did it and how you can steal his fitness tricks. #SELFmagazine