Vincenzo Natali Director, Screenwriter Adrien Brody Clive Actor Sarah Polley Elsa Actor Delphine Chaneac Dren Actor Simona Maicanescu Joan Chorot Actor David Hewlett Barlow Actor Abigail Chu Child Dren Actor Brandon McGibbon Gavin Nicoli Actor Jonathan Payne Paintball Shooter Actor Antoinette Terry Bryant Screenwriter Doug Taylor Screenwriter Steven Hoban Producer Guillermo del Toro Executive Producer Don Murphy Executive Producer Susan Montford Executive Producer Christophe Riandee Executive Producer Yves Chevalier Executive Producer Sidonie Dumas Executive Producer Tetsuo Nagata Cinematographer Michele Conroy Film Editing Cyrille Aufort Original Music Todd Cherniawsky Production Design Joshu de Cartier Art Director Zjelka Alosinac Set Decoration Liesl Deslauriers Set Decoration Alex Kavanagh Costume Design John Buchan Casting Jason Knight Casting John Papsidera Casting Constance Demontoy Casting