How many movies have Marian Fenner and Siw Hughes acted in together?

They have worked on 1 movie together! Their first movie together was Steddfod! Steddfod! (1989) and was their highest rated movie together. They have not worked together since Steddfod! Steddfod! (1989).

Role
Dewi John's mother
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Enfys
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Bethan
Role
Eleri Berwyn