- Country: UK
- Genres: Comedy
- Release: 1940-02-26
- Director: Maclean Rogers
- Writers: Kathleen Butler , Jack Marks , Maisie Sharman
- Language: English
- Stars: Arthur Lucan , Kitty McShane , Glen Alyn , Dorothy Dewhurst , Martita Hunt (1899–1969) , H.F. Maltby , Garry Marsh , Bryan Powley , Bruce Seton , Jeanne Stuart
- Runtime: 75 min
- Awards: N/A
- AKA: Old Mother Riley Joins Up (United States of America) , Old Mother Riley Joins Up (United Kingdom) , Kom je ook bij de V.V.? (Netherlands the) , Old Mother Riley Joins Up
- Plot: Old Mother Riley, with the help of her daughter Kitty and Kitty's boyfriend Lieutenant Travers, thwarts a plan by enemy agents to steal important secret documents.
- IMDB:tt0031751
Old Mother Riley Joins Up Cast · · · ALL
Maclean Rogers
Director
Arthur Lucan
Old Mother Riley
Kitty McShane
Kitty Riley
Glen Alyn
Pauline
Martita Hunt
(1899–1969)
Commandant
H.F. Maltby
Gen. Hogsley
Garry Marsh
Dr. Leach
Bryan Powley
Mr. Rayful
Bruce Seton
Lt. Travers
Jeanne Stuart
Nurse Wilson