[4][5] She appeared in Juno and the Paycock in a 1966 production directed by Laurence Olivier, King Lear, Rosencrantz and Guildenstern are Dead, and The Merchant of Venice.

[7] It was subsequently lost from the BBC archives, but in 2010 it was announced that a copy of it had been discovered in the US Library of Congress as part of a substantial tranche of missing British TV.

During her final story, Inferno, John also played the part of Section Leader Elizabeth Shaw, an alter ego of her regular character that the Doctor encounters in an alternative time stream.

stories written by Mark Gatiss and featuring numerous actors from the history of Doctor Who – including Jon Pertwee, Peter Davison, Colin Baker and Sylvester McCoy.

John played the role of Laura Lyons in the BBC adaptation of the Sherlock Holmes story The Hound of the Baskervilles, opposite Tom Baker.

[25] John and Beevers appeared together in an episode of Agatha Christie's Poirot titled "Problem at Sea" as Mr and Mrs Tolliver.

They both had roles in the audio play Dust Breeding and the TV adaptation of the political thriller A Very British Coup,[1] although they did not appear on screen together.

Her career in the theatre included appearances in His Majesty (1992), Silas Marner (1998), The Master Builder (1999), Death of a Salesman (2001), Happy Birthday Dear Alice (2002), and Dona Rosita (2004).

Ashford, also an actor, has portrayed her mother's Doctor Who character, Liz Shaw, in audio dramas for Big Finish Production.