Lisa Palfrey is a Welsh actress. Her first major role was in the film The Englishman Who Went Up a Hill But Came Down a Mountain. She has gone on to star in the cult film House of America, and appear in comedy film Guest House Paradiso and television series Casualty. She also played the character of "Rhiannedd Frost" in the Welsh soap Pobol y Cwm. She has performed in a number of plays including the original production of David Eldridge's Festen and Under The Blue Sky, The Iceman Cometh with Kevin Spacey and The Kitchen Sink.