The Great Barrier Reef's scenic attractions highlight this tale of a disenchanted artist (James Mason) involved with a naive teen (Helen Mirren). Nat: Jack MacGowran. Ma Ryan: Neva Carr-Glynn. Isabel: Antonia Katsaros. Godfrey: Frank Thring. Wife: Peggy Cass. Ted: Ted Hopkins. Hendricks: Michael Boddy. Directed by Michael Powell.