Kamera Arkası
Three Witnesses
Yazar
Lord Edgware Dies
Senarist
Alibi
Senarist
D’Ye Ken John Peel?
Senarist
Gölge
Senarist
The Lost Chord
Senarist
Scrooge
Senarist
Vintage Wine
Senarist
Gezgin Yahudi
Senarist
Juggernaut
Senarist
The Broken Melody
Yazar
Kiracı
Adaptasyon
Bella Donna
Yazar
The Missing Rembrandt
Yazar
Black Coffee
Senarist
I Lived with You
Yazar
A Fire Has Been Arranged
Historia, Adaptation
Inside the Room
Adaptasyon
When London Sleeps
Yazar
Çorbada
Adaptasyon
The Ghost Camera
Adaptasyon
Condemned to Death
Yazar
The Last Journey
Senarist
Murder at Covent Garden
Yazar
Deadlock
Yazar
Splinters in the Navy
Senarist, Tarih
The Triumph of Sherlock Holmes
Adaptasyon
The Happy Ending
Yazar
The Man Who Changed His Name
Dialogue, Escritor
The Admiral's Secret
Yazar