Dave Franco lost 20 pounds for his upcoming Netflix movie, "6 Balloons."
In it, he plays a heroin addict.
He ran so much to lose the weight, he injured his knee and had to spend a couple of months in physical therapy after production wrapped.
Netflix released a trailer of the movie on Tuesday and Franco looks to deliver one of the most dramatic performances of his career.
Dave Franco might be giving his brother James a run for his money as the one in the family who gets deep into...