Jharrel Jerome says he skipped lunches on the set of the Anthony Robles wrestling biopic ‘Unstoppable’ in order to work out. The actor tells PEOPLE about transforming into the athlete, who worked his way to a NCAA championship in 2011 despite being born with only one leg.

Unstoppable' star Jharrel Jerome and subject Anthony Robles opened up about the vulnerability it took to make the film.

Anthony Robles was a champion wrestler. Now Jennifer Lopez stars in his biopic. Robles breaks down fact vs. fiction in the sports drama "Unstoppable."

Unstoppable,’ starring Jharrel Jerome as former wrestler Anthony Robles and Jennifer Lopez as his mother, is now streaming on Prime Video

Born with only one leg, the wrestler won the 2011 NCAA individual wrestling national championship in the 125-pound weight class.

The Emmy-winning actor plays Anthony Robles, who overcame physical limitations to win a national wrestling title.

Unstoppable” follows Anthony Robles' quest to wrestle, get a college scholarship and win a national title — despite being born without a right leg.

Moviefone speaks with Jharrel Jerome and Anthony Robles about 'Unstoppable'. This project is the most important thing I've done up until now, Jerome said.

Born with one leg and a 2011 NCAA championship winner, Robles, 36, is played by Jharrel Jerome in the biopic based on his 2013 memoir, while Jennifer Lopez plays his mother Judy. Bobby Cannavale, Michael Peña and Don Cheadle also star. As Robles tells PEOPLE, “It's a star-studded cast.”