The first teaser trailer for Ryan Gosling's directorial debut Lost River has been released, and you can watch it here.
The trailer features Iain De Caestecker and Matt Smith in a dream-like landscape of a disappearing city.
The fantasy thriller, which was previously titled How To Catch A Monster, also stars Christina Hendricks, Eva Mendes, Saoirse Ronan, Ben Mendelsohn and Barbara Steele.
It follows a single mother, Billy (Hendricks), who finds herself in a gloomy fantasy underworld.
Lost River will premiere at Cannes today (May 20).