Full Cast & Crew
Cast (8)
Bart Allison as Pim
Christopher Benjamin as Algy Somerville
Diane Cilento as Lady Sannox
Deddie Davies as Yvonne
Roy Dotrice as Douglas Stone
David Graham as Dr. Hamid Ali
Malcolm Rogers as John
Charles Workman as Lord Sannox
Directing (1)
Richard Martin · Director
Writing (2)
Arthur Conan Doyle · Writer
John Hawkesworth · Writer