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
