[4] Groome, at the age of nine, auditioned for a role in the touring stage version of the musical Annie Get Your Gun and got the part.
[5] She trained at her mother’s performing arts school, at Nottingham Television Workshop, Derby Youth Theatre, and Trent College.
In 2010, Groome appeared in an episode of British television detective drama Lewis, as well as the short Silent Things.
She also appeared in Susan Jacobson's The Holding[11] and had a lead role in The Great Ghost Rescue, a film adaptation of Eva Ibbotson's book of the same name.
[12] She appeared alongside Stephen Dillane in Papadopoulos & Sons, in which she played snobby fashion victim Katie.