DK Welchman Director, Screenwriter Hugh Welchman Director, Screenwriter Douglas Booth Armand Roulin Voice Robert Gulaczyk Vincent van Gogh Voice Eleanor Tomlinson Adeline Ravoux Voice Jerome Flynn Dr. Gachet Voice Saoirse Ronan Marguerite Gachet Voice Chris O'Dowd Postman Roulin Voice John Sessions Pere Tanguy Voice Aidan Turner Boatman Voice Helen McCrory Louise Chevalier Voice