Hero Fiennes Tiffin
as Sherlock Holmes
Natascha McElhone
as Cordelia Holmes
Dónal Finn
as James Moriarty
Max Irons
as Mycroft Holmes
Zine Tseng
as Princess Gulun Shou'an
Holly Cattle
as Edie
Joseph Fiennes
as Silas Holmes
Numan Acar
as Esad Kasgarli
Colin Firth
as Sir Bucephalus Hodge