Dr. Becher

Character

1892 ◢ Appeared once in 'Canon'.
Mar 1892: 'The Adventure of the Engineer's Thumb'
1923 ▷ Played by Ward McAllister once on Film in 'Norwood silent short films', as Ferguson.
1923: 'The Engineer's Thumb'
1991 ▷ Played by Vincent Brimble once on Radio in 'Merrison canon radio dramas', as Ferguson.
16 Jan 1991: 'The Engineer's Thumb'