Old Mother Riley falls into money so goes to Paris, where she is mistaken for a spy.
| Actor | Role |
|---|---|
 Arthur LucanOld Mother Riley | Old Mother Riley |
 Kitty McShaneKitty Riley | Kitty Riley |
 Jerry VernoJoe | Joe |
| MMagda KunMadame Zero | Madame Zero |
| CC. Denier WarrenCommissaire of police | Commissaire of police |
| SStanley VilvenHotel Manager | Hotel Manager |
| DDouglas StewartChairman | Chairman |
| GGeorge WolkowskyApache | Apache |
| RRichard RiviereFrench Officer | French Officer |