Guest Stars Helen Behan as Helen Lorcan Cranitch as Peter Kathleen Reen as Mrs Hawthorn Niamh Branigan as Grace Paul Reid as Mark Baxter David O'Reilly as Greg Leon Foy-Habib as Young Leonard Charlotte McCurry as Rhona Kelly Campbell as Wendy Davenport Emmy Nolan as Isabelle Sylvain Levitte as Arno the Mime James Cosgrave as Sensei
