Television:
* The Crown (2016-2022) - as Lady Anne Glenconner (recurring role)
* Silent Witness (2018) - as Detective Constable Emma Knight (single episode)
* Doc Martin (2022) - as Sarah (single episode)
* The Split (2020) - as Receptionist (single episode)
* The Good Karma Hospital (2019) - as Chloe (single episode)
It seems Abigail Hardingham is primarily known for her recurring role as Lady Anne Glenconner in the historical drama series The Crown, which has brought her significant recognition and critical acclaim.
Please note that this list might not be exhaustive and there might be other projects she has been involved in.