 One of Thunderbolt's robbery victims was played by Kathleen Drummond, daughter of the then-local MP David Drummond.British censorship requirements meant that the real-life romantic relationship between Thunderbolt and his aboriginal girlfriend Mary, who helped him escape from Cockatoo Island, was not featured in the film when released in Britain.According to "Filmink" "Holmes was a bit of a lefty in real life, and he fashions the story so poor old Thunderbolt is a victim of the upper classes.