He worked as a lifeguard in a local swimming pool prior to acting.
Aged 16 years-old, he joined the National Youth Theatre and an acting school in Manchester.
[1][2] Horrocks had his first television role playing young Drusus, the son of Livia Drusilla, in Roman historical Domina in 2021.
[3][4] In 2022, Horrocks played Ælfweard, the son of Edward the Elder.
[7] In 2023, he was cast in The Yellow Tie alongside John Malkovich, playing a young Sergiu Celibidache,[8] and the 20th-century European historical drama Miss Fallaci.