In 1912, Quentin E. Deverill, an eccentric expatriate American professor, uses his unique skills to solve mysteries in London.
Sam Waterston
Prof. Quentin E. Deverill
A.C. Weary
Charlie Andrews
George Innes
Phipps
Caroline Langrishe
Jenny Martin
Julian Glover
Dr. Stefan Kilkiss
Sarah Berger
Betsy Stevens