Charles Edwards

~ as ~

Arthur Conan Doyle

Ian Richardson

~ as ~

Dr. Joseph Bell

Alexander Armstrong

~ as ~

Turnavine

Simon Quarterman

~ as ~

Baynes

Paul Butterworth

~ as ~

Fainting man

Malcolm Sinclair

~ as ~

Blythe

Andrew Woodall

~ as ~

Greenwell

Henry Goodman

~ as ~

De Meyer

Roger Lloyd Pack

~ as ~

Dr. Ibbotson

Dermot Crowley

~ as ~

Elkins