Old Mother Riley is a British comedy film directed by Oswald Mitchell and starring Arthur Lucan, Kitty McShane, Barbara Everest, Patrick Ludlow and Hubert Leslie. Mother Riley and her daughter stop the plans of some disinherited relatives to overturn the terms of a will. It was the first in the Old Mother Riley series of films.

The legendary Bela Lugosi as "the Vampire" teams up with Britain's much-loved "Mother Riley" in this hilarious comedy adventure. The Vampire plans to control the world with the help of his robot, which accidentally gets shipped to Mother Riley. Through radar control, he contacts the robot and orders it to come to him, bringing along Mother Riley! But his life is turned upside down when he holds this most meddling of mothers captive.