Boyhood is starring Libby VillariLibby Villari starred in Boyhood. Boyhood is written by Leo TolstoyLeo Tolstoy wrote Boyhood. Boyhood is directed by Richard Linklater
[Human]: Do you have any information on the movie, Boyhood? [Assistant]: It stars Libby Villari and Ellar Coltrane. [Human]: Wasn't it written by Leo Tolstoy? 
The original book was written by him. The recent movie screenplay was written by Richard Linklater.