The InBESTigators Wiki
The InBESTigators Wiki

Rosemary is a minor character of The InBESTigators. She is portrayed by Diana Lin, and is Ezra and Poppy's nanna. She currently resides in Newcastle, NSW, and she stays in the granny flat in Ezra's backyard while she is visiting him.



Season 1

The Case of the Disappearing Deliveries

Rosemary is mentioned in this episode by Kyle, who reveals that the office is an attachment in the back of Ezra's house for her to stay when she visits, and during this episode, Rosemary would visit Ezra the next day.

Season 2

The Case of the Rosemary Riddle

Rosemary appears in this episode and Ezra describes his nanna as a very enthusiastic nanna. She leaves a riddle for Ezra, Ava, Maudie and Kyle and they all try to crack the secret code. Maudie cracks the code but Kyle remembers that Rosemary was meant to take them to the jam donut stall at 12 so this is the only episode that Rosemary appears.

The Case of the Incredible Fortune Teller

Rosemary is mentioned in this episode by Ramona, when Ezra goes to her future forecasting tent, and she predicts that he will have to clean the granny flat before she comes. When Ezra hears this, he begins to think that Ava told Ramona, causing a great deal of confusion between the two.



  • It is unknown whether she is the bio mother of Sarah or Daniel Banks.