Warned that it is haunted, a skeptical young couple buy a rundown yacht and fix it up to be their home-on-the-sea, only to slowly realize that it really is haunted.

Dermot Walsh
as Guy Thornton

Hazel Court
as Margaret Thornton

Joss Ambler
as Yacht Port Manager

Hugh Burden
as Dr. Fawcett

Mignon O'Doherty
as Mrs. Manley

Hugh Latimer
as Peter

Joan Carol
as Mrs. Martineau

John Robinson
as Prof. Martineau / Mansel

Joss Ackland
as Ron, 2nd Fisherman

John King-Kelly
as Sid, 3rd Fisherman