Meet the cast of Prime Video’s latest thriller The Devil’s Hour

Isaac is Lucy’s son who shows no emotion, which is something that concerns Lucy deeply.He is unlike any of his peers at school and has started sleepwalking during the night, showing more disturbing behaviour as the series progresses.He is played by Benjamin Chivers, who is making his acting debut in the Amazon Prime Video series.The rising star has already signed up for two new projects, including the upcoming series Lockwood and Co, and Napoleon.Mike Stevens – Phil DunsterMike is Lucy’s ex-partner and Isaac’s father, who has started coming back into Lucy’s life.He is not ready to commit fully to his son yet but will answer Lucy’s call when she needs him.He is played by Phil Dunster, a 30-year-old actor known for his roles in Strike Back, Humans and The Trouble with Maggie Cole.Speaking about Mike, he said: “He sees the opportunity to get close to Lucy again through the stress that she’s under.”He thinks there’s a sort of gap there. Somewhat uncharitably, he finds it frustrating when he’s not lauded as the great homecoming king when she’s going through her own problems.”