

20/02/1968
A woman is strangled in the bath by a black-gloved killer who disposes of her body in a large trunk. The trunk is delivered to St. Hilda College, an exclusive finishing school. Betty-Anne, one of the female students, is strangled in the school cellar. The police, led by Inspector Durand, are called in to investigate. Suspects include La Floret, the voyeuristic gardener; Di Brazzi, the new swimming instructor; Mrs. Clay, the summer school French mistress; an old professor who collects birds; and a philandering young teacher called Richard. The murders continue but Jill, a keen amateur detective, helps the police identify the unlikely killer...

Mark Damon
as Richard Barrett

Eleonora Brown
as Lucille Moffat

Sally Smith
as Jill

Patrizia Valturri
as Denise

Ludmila Lvova
as Mrs. Clay / Peter Moffat

Luciano Pigozzi
as La Foret

Franco De Rosa
as Detective Gabon

Vivian Stapleton
as Miss Transfield

Ester Masing
as Miss Martin

Aldo De Carellis
as Professor André

Giovanni Di Benedetto
as Di Brazzi

Valentino Macchi
as Policeman

Umberto Papiri
as Simon

Caterina Trentini
as Betty Ann

Silvia Dionisio
as Margaret

Lorenza Guerrieri
as Wendy

Malisa Longo
as Cynthia Fellows

Paola Natale
as Maid

Michael Rennie
as Inspector Durand

Nando Angelini
as Blond Policeman (uncredited)
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