Strange Boarders (1938)
Strange Boarders is a 1938 British comedy thriller film, directed by Herbert Mason for Gainsborough Pictures and starring Tom Walls, Renée Saint-Cyr, Googie Withers and Ronald Adam. The film is an adaptation of the 1934 espionage novel The Strange Boarders of Palace Crescent by E. Phillips Oppenheim, and was well received by critics. The Los Angeles Times described it as "a long series of laughs as well as thrills".
More at Wikipedia.