Highmore next starred in the dual role of American twins Simon and Jared Grace, alongside Sarah Bolger as their sister Mallory, in the fantasy adventure film The Spiderwick Chronicles (2008), based on the popular children's stories of the same name by Tony DiTerlizzi. The film also had a video game, The Spiderwick Chronicles, in which Highmore reprised the characters of Simon and Jared in a voice role. That same year, he provided voice acting for the role of Little Jack in the animated film A Fox's Tale (2008). In 2009, Highmore voiced the lead character in the animated film Astro Boy, and provided his voice to its accompanying video game, Astro Boy: The Video Game. He then played the main role in Toast, a BBC autobiographical film about chef Nigel Slater, which was aired on 30 December 2010. The miniseries marked the third time Highmore has worked with Helena Bonham Carter. Also in 2010, he starred as Hally Ballard, opposite Ving Rhames, in the drama film Master Harold. . . and the Boys, based on the play of the same name by Athol Fugard. The following year, he co-starred alongside Emma Roberts in the romantic comedy-drama The Art of Getting By (2011).