His film credits include The Blakes Slept Here (1953) The Men of Sherwood Forest (1954) The Quatermass Xperiment (1955) and Jamboree (1957) among others.

During the Second World War, his fluency in five languages, including Japanese, was used to the fore, but at the expense of his theatrical career.

He ended his professional life teaching English and French at St. Bernard's School in New York, as well as directing the annual Shakespeare Play there.

David loved nature, and as an enthusiastic New Yorker, spent many happy hours in Central Park.

There is a paving stone by the Olmsted Flowerbed at Literary Walk, mid-park at Sixty-Seventh Street, as well as the two trees near the East Meadow.