William Dewhurst

A Scotland Yard undercover detective is on the trail of a saboteur who is part of a plot to set off a bomb in London. But when the detective's cover is blown, the plot begins to unravel. (iMDB)

Bulldog Drummond goes up against foreign agents trying to steal plans for a top-secret aircraft.

A young woman finds herself as the intended victim of a murder plot on a transatlantic flight from London to New York. (imdb)

Sailing Along is a 1938 British musical comedy film directed by Sonnie Hale and starring Jessie Matthews, Barry MacKay, Jack Whiting, Frank Pettingell, Noel Madison and Alastair Sim. A barge-owner's adopted daughter falls in love with his son, and gives up her chances of stardom to be with him. (imdb)