marks Angelina Jolie's
first big studio movie as a director and ET got the actors to dish on what she's like as a boss.
"It's great," Unbroken actor Takamasa Ishihara gushed.
"Good answer," said Angelina.
Unbroken is the true story of Olympic runner Louis Zamperini (portrayed by Jack O'Connell), who was taken prisoner by Japanese forces during World War II. Zamperini's incredible survival story involves a plane crash, 47 days at sea and more than two years of torture in POW camps.
In order to get the authentic look of POWs, Angelina put stars Jack O'Connell, Garrett Hedlund and Finn Wittrock on strict 700-calorie diets. While the dietary challenge presented obstacles, Angelina expressed her gratitude in a way that made it all worth it.
"The funny thing is we'd all be on set and everybody's kind of complaining and starving," Garrett said. "[We were] on these emaciated diets, and Angelina would show up on set and be like, 'You guys look great!'"
Oddly enough projects set in World War II have become a recurring theme for the Jolie-Pitts, as Angelina's husband Brad starred in David Ayer's WWII film Fury. But their six kids -- Shiloh, 8; Vivienne, 6; Maddox, 13; Zahara, 9; Pax, 11; and Knox, 6 -- haven't been overloaded yet, Angelina reassures.
"When [our kids] went to visit daddy, they played in tanks, and they came with momma and they played in airplanes -- that's probably all that they know."
Angelina's children may be the only ones not impressed with the work that she's done. With award buzz already surrounding Angelina's direction for Unbroken
, could the Oscar-winning actress be plotting a permanent move to stay behind the camera
"I love shining a light on other actors," said Angelina. "You feel a little pressure but it's a welcome pressure."
Unbroken opens Christmas Day.