Grand Slam [119598] Released: 1978-03-17 Genres: Comedy Revenue: unknown Cast: 12 Popularity: 0.1207 Links: : Homepage, IMDB, TMDB Synopsis : A group of Welsh rugby fans go over to see Wales play France in the final match of the Six Nations rugby tournament. Windsor DaviesHugh GriffithDewi MorrisSion ProbertSharon MorganMarika RiveraDillwyn OwenAlan ChuntzLowri BuckinghamMarie ClaireKim KarlisleJohn Hefin