Anything to Declare? is a 1938 British crime thriller film directed by Redd Davis and starring John Loder, Noel Madison and Belle Chrystall. It was shot at Nettlefold Studios in Walton-on-Thames.

Plot

A new gas formula that can be used as a deadly weapon invented by a pioneering British scientist draws the interest of a shadowy peace movement, which masks a more sinister intent.