In 2014, Richardson was cast as Queen Ulla in Maleficent, where she was to play the titular character's aunt, but her role was cut from the film during post-production. In 2015, she played Sybil Birling in Helen Edmundson's BBC One adaptation of J. B. Priestley's An Inspector Calls. Richardson reprised her role as the voice of Mrs Tweedy in the 2023 film, Chicken Run: Dawn of the Nugget.
In 2014, Richardson was cast as Queen Ulla in Maleficent, where she was to play the titular character's aun,t, but her role was cut from the film during post-production. In 2015 she played Sybil Birling in Helen Edmundson's BBC One adaptation of J. B. Priestley's An Inspector Calls. Richardson reprised her role as the voice of Mrs Tweedy in the 2023 film, Chicken Run: Dawn of the Nugget.