Played by Sam Spruell.
Steve feels happiest when bonded with others in a group, driven by a sense of mission – he’s a natural vigilante. He’s not the brightest spark, but he’s driven by a strong sense of responsibility and a need to prove himself. So when Hattie goes missing, Steve relishes the opportunity to help on the search for her – not least because it gives him a chance to once again make a good impression on the Sutton family as Hattie’s mum is his ex-wife’s sister.
He’s also keen to draw attention away from his troubled brother, Seth, who dwells in the woods. The brothers spent a difficult childhood apart and Steve feels a lot of guilt towards his brother. He is desperate to protect Seth when he sees him with something of Hattie’s on the afternoon that she goes missing.