Theo Stevenson: Theo Stevenson. Actor: Horrid Henry: The Movie. Theo Stevenson was born on 27 February 1998 in Harlow, Essex, England, UK. He is an actor, known for Horrid Henry: The Movie (2011), Humans (2015) and Millie Inbetween (2014).
Known For: Horrid Henry: The Movie (Horrid Henry), Humans (Toby Hawkins), Millie Inbetween (Craig), Flatmates (Craig)