Theodore John Stevenson is an English actor, best known for portraying the lead role of Horrid Henry in Horrid Henry: The Movie (2011). He went on to appear as Craig in the sitcom Millie Inbetween (2014–2018) and it's spin-off Flatmates (2019–2021), as well as playing Toby in the sci-fi drama Humans (2015–2018). ()