Adjoa Andoh is a British actress and audio book narrator. Andoh's television credits include "Casualty", Jonathan Creek and "EastEnders" — where she played jazz singer Karen, the lodger of Rachel Kominski in 1991. More recently she appeared in "Doctor Who" as Sister Jatt. She has been recently cast in "Doctor Who" again, as Francine Jones, the mother of Martha Jones. Wikipedia
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