Director Gus Van Sant adjusts the settings on his camera before taking a photograph during a photo call for the film The Sea of Trees, at the 68th international film festival, Cannes, southern France, Saturday, May 16, 2015. (AP Photo/Lionel Cironneau)

Director Gus Van Sant poses for photographers during a photo call for the film The Sea of Trees, at the 68th international film festival, Cannes, southern France, Saturday, May 16, 2015. (AP Photo/Lionel Cironneau)

TOPSHOTS US actor Matthew McConaughey (L) and British actress Naomi Watts pose during a photocall for the film "The Sea of Trees" at the 68th Cannes Film Festival in Cannes, southeastern France, on May 16, 2015. AFP PHOTO / BERTRAND LANGLOIS

TOPSHOTS British actress Naomi Watts waves during a photocall for the film "The Sea of Trees" at the 68th Cannes Film Festival in Cannes, southeastern France, on May 16, 2015. AFP PHOTO / LOIC VENANCE

TOPSHOTS US director Gus Van Sant takes photos during a photocall for the film "The Sea of Trees" at the 68th Cannes Film Festival in Cannes, southeastern France, on May 16, 2015. AFP PHOTO / LOIC VENANCE

TOPSHOTS US actor Matthew McConaughey poses during a photocall for the film "The Sea of Trees" at the 68th Cannes Film Festival in Cannes, southeastern France, on May 16, 2015. AFP PHOTO / LOIC VENANCE

68th Cannes Film Festival 2015, Photocall film "Sea of Trees " Naomi Watts, Matthew McConaughey

68th Cannes Film Festival 2015, photocall film "The sea of trees" pictured: Naomi Watts

68th Cannes Film Festival 2015, photocall film "The sea of trees" pictured: Naomi Watts

Gus Van Sant attending 'The Sea of Trees' at the Palais des Festivals in Cannes, France during the 68th Cannes International Film Festival on May 16, 2015. Photo by Aurore Marechal/ABACAPRESS.COM

Gus Van Sant attending 'The Sea of Trees' at the Palais des Festivals in Cannes, France during the 68th Cannes International Film Festival on May 16, 2015. Photo by Aurore Marechal/ABACAPRESS.COM