News FIRST LOOK: Meryl Streep Goes 'Into the Woods' With Stephen Sondheim By Meredith B. Kile 5:16 PM PST, November 21, 2014 ETONLINE It’s nearly time to go Into the Woods!The film adaptation of Stephen Sondheim’s beloved musical comes out Christmas Day, and ET talked to the composer and Meryl Streep about turning the fairytale mashup into a major motion picture. Streep attended the original Broadway production of Into the Woods, which starred Bernadette Peters as The Witch, the same role the Oscar-winning actress plays in the film."I thought it was fantastic," Streep told ET. "I remember coming out of the theater singing to myself." NEWS: First Look! Meryl Scares In 'Into the Woods'ET got a behind-the-scenes look at some of the film’s special effects and talked to Sondheim about casting the star in the big-screen adaptation."Meryl Streep is so remarkable," the composer gushed. "She would do a number of takes on the songs in the recording studio and every one was different."NEWS: Go Behind the Scenes of 'Into The Woods' Chicago director Rob Marshall helmed the project, which also stars Johnny Depp, Chris Pine, Anna Kendrick, and Emily Blunt."People will have a good time," Streep assures.Check out ET's look at the Into the Woods teaser trailer in the video below.