Luke Betterman

Doctor  was a Harley Street consultant who specialised in nervous conditions. He recognised Professor George Litefoot. He helped to investigate a series of missing people. (AUDIO: The Devil's Dicemen)

Betterman later assisted Litefoot and Henry Gordon Jago with their investigations in London, while Carruthers Summerton tried to frame Betterman for murders he himself committed. (AUDIO: The Museum of Curiosities)