Calificación
Reparto

Dermot Walsh
Guy Thornton

Hazel Court
Margaret Thornton

Joss Ambler
Yacht Port Manager

Hugh Burden
Dr. Fawcett

Mignon O'Doherty
Mrs. Manley

Hugh Latimer
Peter

Joan Carol
Mrs. Martineau

John Robinson
Prof. Martineau / Mansel

Joss Ackland
Ron, 2nd Fisherman

John King-Kelly
Sid, 3rd Fisherman

Laidman Browne
Coroner

Meadows White
Mr. Leech, Surveyor

Patricia Owens
Party Girl (Joyce)

Melissa Stribling
Party Girl (Vera)

Ian Carmichael
Bernard

Geoffrey Dunn
Strange Passenger