How many movies have Gideon Isaac 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
Gideon Isaac
Role
Enfys
Role
Bethan
Role
Eleri Berwyn