Sakina Ayakaze

as Arthur Conan Doyle

Aya Yumeshiro

as Louisa Doyle

Jun Asami

as Sherlock Holmes 000

Kazuki Sora

as Herbert Greenhough Smith

Sen Agata

as Milo de Meyer

Himari Nonoka

as Lottie Doyle

Souno Haruto

as Charles Doyle