Bulldog Jack (released as Alias Bulldog Drummond in the USA) is a 1935 British comedy film produced by Gaumont British, directed by Walter Forde, and starring Jack Hulbert, Fay Wray, Ralph Richardson and Atholl Fleming.The film was followed by many others involving the story of Captain Hugh 'Bulldog' Drummond; however, because of the various production companies involved, the actor playing Bulldog was frequently changed.

It premiered at the Tivoli Theatre in London on 15 July 1935 and reached the US in September the same year, renamed Alias Bulldog Drummond.Bulldog Jack includes action set in a fictional London Underground station of Bloomsbury.