01/09/2015 09:35 am ET Updated Jan 09, 2015

Jessica Chastain On Her Early Life: 'Nobody Knows This About Me'

Omar Vega/Invision/AP

Since having her breakout moment four years ago, Jessica Chastain has established herself as Hollywood’s ideal of smart beauty. The Oscar-nominated star of "The Help" and "Zero Dark Thirty," now onscreen as the ’80s-glam, viperish wife of a heating-oil businessman (Oscar Isaac) in "A Most Violent Year," is renowned as a workhorse (she appeared in six movies in 2011 and four in 2014). But as the actress reveals, that wasn’t always the case.

Read more on insidemovies.ew.com