Old Mother Riley's Circus is a 1941 British comedy film directed by Thomas Bentley and starring Arthur Lucan, Kitty McShane and John Longden.

[1] Old Mother Riley takes over a struggling circus and makes a huge success of it.

[2] The trade ad poster proclaims, "A LAUGH - A YELL - A ROAR - A LUCANQUAKE!"

Money starts to pour in, financial disaster is avoided, and Mother Riley discovers her long-lost daughter is in fact the star of the show.

[3] TV Guide said, "the usual padding that plagues the "Old Mother Riley" series is avoided thanks to a jolly atmosphere and some decent acts.