Neutral Port

Neutral Port is a 1940 British war comedy film directed by Marcel Varnel and starring Will Fyffe, Leslie Banks, Yvonne Arnaud, and Phyllis Calvert, with a supporting role for Wally Patch. It was produced and distributed by Gainsborough Pictures and shot at the company's Lime Grove Studios in West London. The film's sets were designed by the art director Alex Vetchinsky.

Plot summary
A British merchant ship is torpedoed by a German U-boat and takes shelter in a neutral port. The Captain then strikes back at the German enemy.