Maigret at Bay 1969
Writer
Something in the Cellar 1969
Writer
Just Joe 1960
Writer
Dear Mr. Prohack 1949
Writer
Miss Grant Goes to the Door 1940
Story
Yesterday Is Over Your Shoulder 1940
Writer
The Arsenal Stadium Mystery 1939
Screenplay
Cheer Boys Cheer 1939
Writer
South Riding 1938
Screenplay
Storm in a Teacup 1937
Writer
Dreams Come True 1936
Screenplay
Anna Karenina 1961
Adaptation
Westward Ho! 1940
as Commentary
Credits from TMDB.