We don't have a biography for Cousin Prue Ashworth yet. Hang in there, or go ahead and contribute one.
The Durrells Guest cast, played by Felicity Montagu Episode 1x05: Episode 5 (May 1, 2016) Episode 3x03: Episode 3 (Apr 1, 2018) Episode 4x03: Episode 3 (Apr 21, 2019) Episode 4x04: Episode 4 (Apr 28, 2019)