<P> Picnic at Hanging Rock is a 1975 Australian mystery drama film which was produced by Hal and Jim McElroy, directed by Peter Weir, and starred Vivean Gray, Dominic Guard, Anne - Louise Lambert, Helen Morse, and Rachel Roberts . It was adapted by Cliff Green from the 1967 novel of the same name by Joan Lindsay, who was deliberately ambiguous about whether the events really took place, although the story is in fact entirely fictitious . </P> <P> The plot involves the disappearance of several schoolgirls and their teacher during a picnic at Hanging Rock, Victoria on Valentine's Day in 1900, and the subsequent effect on the local community . Picnic at Hanging Rock was a commercial and critical success . </P> <P> At Appleyard College, a girls' private school, near the town of Woodend, Victoria, Australia, the students are dressing on the morning of Valentine's Day, 1900 . Miranda (Anne - Louise Lambert), Irma (Karen Robson), Marion (Jane Vallis), Rosamund (Ingrid Mason), waifish Sara (Margaret Nelson), and outsider Edith (Christine Schuler) read poetry and Valentine's Day cards . </P> <P> The group prepares for a picnic to a local geological formation known as Hanging Rock, accompanied by the mathematics mistress Miss Greta McCraw (Vivean Gray) and the young and beautiful Mlle . de Poitiers (Helen Morse). On the authority of the stern headmistress Mrs. Appleyard (Rachel Roberts), jittery teacher Miss Lumley (Kirsty Child) advises Sara that she is not allowed to attend . </P>

Who played miranda in picnic at hanging rock