Minnie Tulliver is a non-canonical character created for the 2013 ITV adaptation of Greenshaw's Folly. She is a friend of Miss Marple and a fellow member of the knitting circle of St Faith's Orphanage. Minnie Tulliver is portrayed by Candida Gubbins.
Towards the end of the episode, Miss Marple sends Minnie to Somerset House to obtain some documents which proved critical in solving the mystery of the murder of Miss Greenshaw. She delivers these to Miss Marple just in time for the denouement.