Keogh acted alongside John Osborne and Ronnie Barker at Kidderminster Repertory Theatre before touring with Bill Kerr in a production of The Teahouse of the August Moon.

Keogh was said to be "devastated" by the decision to axe her character, which was prompted by June Brown, who cited the comedy double act between Dot and Lilly not being right.

[4] She continued to work in television, making appearances in Juliet Bravo, The Ruth Rendell Mysteries, Heartbeat, Game On, My Family and Casualty.

She also played roles in John Gabriel Borkman with Ralph Richardson and Peggy Ashcroft, Plunder with Dinsdale Landen and Frank Finlay, and Engaged with Jonathan Pryce, all at the Royal National Theatre.

[2] Latterly, Keogh worked alongside Bob Hoskins, Helen Mirren and Pete Postlethwaite in The Duchess of Malfi and toured in Sisterly Feelings with Peter Sallis, Trudie Styler, Tessa Peake-Jones and Bryan Pringle.