Who played the young man who was arrested by Morse in the infernal serpent?

In the "Endeavour" episode titled "Infernal Serpent," the young man arrested by Morse is played by actor Jack Bannon. Bannon's character becomes a key figure in the unfolding mystery of the episode, contributing to the story's tension and complexity. His performance adds depth to the narrative, showcasing the challenges faced by the characters in the 1960s setting.