Kellie started her career via The National Youth Theatre and trained at The BRIT School. She was selected for the BAFTA Elevate actors cohort 2020 - to support Working-Class talent progressing in their careers on screen.

Recent TV includes series regular 'Kirsty De La Croix' in Idris Elba's, award-winning, returning, comedy series 'In The Long Run' (Sky One, Now TV and Starz) and the Emmy-nominated and BAFTA-Winning mini series 'Joe All Alone' (BBC) as Stacey.

Her recent Film work includes; Paul Andrew Williams' feature 'Bull', Terence Davies' Benediction (Emu Films) King of Thieves (Studio Canal) Girl on a Bicycle (Warner Bros) & Everyone's Going to Die, (Dinard Awarded)

On stage Kellie has worked for: The National Theatre, Royal Shakespeare Company, Royal Haymarket, West End, Royal Court, Soho Theatre, Lyric Hammersmith, The Menier Chocolate Factory, Park Theatre and Sydney Theatre Company. She appeared in over 700 performances of One Man, Two Guvnors (National Theatre/West End)

As a writer Kellie was shortlisted for the Script search award for Greenacre Films. She has written all 6 episodes of podcast drama ROAR for Spirit Studios.

Kellie is an ambassador for the charities Anthony Nolan & Mencap. She is Patron for Magpie Dance.