Kacey Ainsworth (born 19 October 1968) is an English actress, known for her roles as Little Mo Mitchell in the BBC soap opera EastEnders and Cathy Keating in the ITV drama series Grantchester.
The Bill
Series • 1984
EastEnders
Series • 1985
Midsomer Murders
Series • 1997
The One Show
Series • 2006
Peak Practice
Series • 1993
A Touch of Frost
Series • 1992
Grantchester
Series • 2014
An Audience with...
Series • 1978
The Worst Witch
Series • 2017
M.I. High
Series • 2007
Friday Night with Jonathan Ross
Series • 2001
Agatha Raisin
Series • 2016
Hotel Babylon
The Mallorca Files
Series • 2019
Whitstable Pearl
Series • 2021
Holby Blue
Robson Green's Weekend Escapes
Series • 2023
Tracy Beaker Returns
Series • 2010
Rock & Chips
Topsy-Turvy
Movie • 1999
Play for Today
Series • 2025
The Best of EastEnders
Movie • 2018
Lynn + Lucy
Movie • 2019
Gold Star
An Audience with Des O'Connor
Movie • 2001
We the Kings