Made his film debut playing Helena Bonham Carter's son in 1999's Women Talking Dirty; played Carter's son again in Tim Burton's 2005 fantasy Charlie and the Chocolate Factory, and her stepson in the 2010 biopic Toast.
His real-life father, actor Edward Highmore, portrayed his on-screen father in the 2001 made-for-TV fable Jack and the Beanstalk.
His agent is his mother, Sue Latimer, whose other clients have included Imelda Staunton and Daniel Radcliffe.