Reviewed by GREG KING Director: Caroline Vignal Stars: Laure Calamy, Benjamin Lavernhe Louise Vidal, Olivia Cote. Slight and quirky but thoroughly charming comedy, this film has been loosely inspired by author Robert Louis Stevenson and his account of his 1879 travels through the picturesque Cevennes region of France, accompanied by a donkey. The titular Antoinette (played with charm by Laure Calamy, …