Filmography
The 39 Steps
Dialogue
Sabotage
Dialogue
Secret Agent
Writer
The Man Behind the Mask
Dialogue
I Was a Spy
Writer
Me and Marlborough
Dialogue
The Return of the Frog
Screenplay
The Widow from Monte Carlo
Writer
Girls at Sea
Theatre Play
Farewell Again
Writer
An Englishman's Home
Writer
The Middle Watch
Theatre Play
The Sport of Kings
Theatre Play
Leave It to Me
Writer
Tommy Atkins
Scenario Writer
The Frog
Adaptation
Housemaster
Theatre Play
Housemaster
Novel
The Middle Watch
Theatre Play
The Midshipmaid
Theatre Play