How old was Arthur Conan Doyle in The Sign of Four?

Eille NorwoodEille Norwood was 61 in The Sign of Four as 'Sherlock Holmes'.

Birthday: Fri, Oct 11 1861 –
Fri, Dec 24 1948

Isobel ElsomIsobel Elsom was 30 in The Sign of Four as 'Mary Morstan'.

Birthday: Wed, Mar 15 1893 –
Mon, Jan 12 1981

Fred RaynhamFred Raynham was >> in The Sign of Four as 'Prince Abdullah Khan'.

Birthday: Unknown Birthday

Arthur M. CullinArthur M. Cullin was >> in The Sign of Four as 'Dr. John Watson'.

Birthday: Unknown Birthday

Norman PageNorman Page was 47 in The Sign of Four as 'Jonathan Small'.

Birthday: Sat, Jan 01 1876 –
Thu, Jul 04 1935

Humberston WrightHumberston Wright was 46 in The Sign of Four as 'Dr. Sholto'.

Birthday: Wed, Sep 27 1876 –
Thu, Jan 01 1953

Henry WilsonHenry Wilson was >> in The Sign of Four as 'Pygmy'.

Birthday: Unknown Birthday

Mme. d'EsterreMme. d'Esterre was 59 in The Sign of Four as 'Mrs. Hudson'.

Birthday: Mon, Oct 05 1863 –
Mon, Jan 25 1954

Arthur BellArthur Bell was >> in The Sign of Four as 'Insp. Anthony Jones'.

Birthday: Unknown Birthday

Maurice ElveyMaurice Elvey was 35 in The Sign of Four as 'Director, Writer'

Birthday: Fri, Nov 11 1887 –
Mon, Aug 28 1967

Cox John J.Cox John J. was >> in The Sign of Four as 'Cinematography'

Birthday: Unknown Birthday

Arthur Conan DoyleArthur Conan Doyle was 64 in The Sign of Four as 'Novel'

Birthday: Sun, May 22 1859 –
Mon, Jul 07 1930

Walter W. MurtonWalter W. Murton was >> in The Sign of Four as 'Art Direction'

Birthday: Unknown Birthday