From left, screenwriter Nele Mueller-Stoefen, Edward Berger, Luise Heyer, Ivo Pietzcker and Georg Arms pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actor Ivo Pietzcker and director Edward Berger pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actor Ivo Pietzcker poses for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Ivo Pietzcker and Georg Arms pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Clockwise from top left, Cameraman Jens Harant, screenwriter Nele Mueller-Stoefen, actress Luise Heyer, director Edward Berger, producer Jan Krueger, actor Ivo Pietzcker and actor Georg Arms pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Clockwise from top left, Cameraman Jens Harant, screenwriter Nele Mueller-Stoefen, actress Luise Heyer, director Edward Berger, producer Jan Krueger, actor Ivo Pietzcker and actor Georg Arms pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actor Ivo Pietzcker poses for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Producer Jan Krueger and director Edward Berger arrive at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actor Ivo Pietzcker, director Edward Berger and producer Jan Krueger pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

From left, screenwriter Nele Mueller-Stoefen, Edward Berger, Luise Heyer, Ivo Pietzcker and Georg Arms pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

From left, screenwriter Nele Mueller-Stoefen, Edward Berger, Luise Heyer, Ivo Pietzcker and Georg Arms pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Screenwriter Nele Mueller-Stoefen and director Edward Berger pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Screenwriter Nele Mueller-Stoefen poses for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Screenwriter Nele Mueller-Stoefen and director Edward Berger, pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actor Ivo Pietzcker poses for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actor Ivo Pietzcker poses for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Screenwriter Nele Mueller-Stoefen and director Edward Berger pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actor Ivo Pietzcker poses for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

From top left, cameraman Jens Harant, screenwriter Nele Mueller-Stoefen, actress Luise Heyer, director Edward Berger, producer Jan Kruger, foreground actors Ivo Pietzcker and Georg Arms pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Director Edward Berger, right, and actor Ivo Pietzcker pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Director Edward Berger, right, and actor Ivo Pietzcker pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actress Luise Heyer holds actor Georg Arms as actor Ivo Pietzcker gestures to photographers during the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

From left, screenwriter Nele Mueller-Stoefen, Edward Berger, Luise Heyer, Ivo Pietzcker and Georg Arms pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

From left, screenwriter Nele Mueller-Stoefen, Edward Berger, Luise Heyer, Ivo Pietzcker and Georg Arms pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actor Ivo Pietzcker poses for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actress Luise Heyer holds actor Georg Arms as they pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

From top left, screenwriter Nele Mueller-Stoefen, director Edward Berger, actors Luise Heyer, Ivo Pietzcker and Georg Arms posesfor photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actor Ivo Pietzcker poses for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actor Ivo Pietzcker and director Edward Berger pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)

Actor Ivo Pietzcker and director Edward Berger pose for photographers at the photo call for the film Jack during the International Film Festival Berlinale in Berlin, Friday, Feb. 7, 2014. (Joel Ryan/Invision/AP)