Dermot Walsh
Guy Thornton
Acting
Hazel Court
Margaret Thornton
Acting
Joss Ambler
Yacht Port Manager
Acting
Hugh Burden
Dr. Fawcett
Acting
Mignon O'Doherty
Mrs. Manley
Acting
Hugh Latimer
Peter
Acting
Joan Carol
Mrs. Martineau
Acting
John Robinson
Prof. Martineau / Mansel
Acting
Joss Ackland
Ron, 2nd Fisherman
Acting
John King-Kelly
Sid, 3rd Fisherman
Acting
Laidman Browne
Coroner
Acting
Meadows White
Mr. Leech, Surveyor
Acting
Patricia Owens
Party Girl (Joyce)
Acting
Melissa Stribling
Party Girl (Vera)
Acting
Ian Carmichael
Bernard
Acting
Geoffrey Dunn
Strange Passenger
Acting
Pat McGrath
Bert, 1st Fisherman
Acting