Cast (17)
Dermot Walsh

Guy Thornton

Hazel Court

Margaret Thornton

Joss Ambler

Yacht Port Manager

Hugh Burden

Dr. Fawcett

Mignon O'Doherty

Mrs. Manley

Joan Carol

Mrs. Martineau

John Robinson

Prof. Martineau / Mansel

Joss Ackland

Ron, 2nd Fisherman

John King-Kelly

Sid, 3rd Fisherman

Meadows White

Mr. Leech, Surveyor

Patricia Owens

Party Girl (Joyce)

Melissa Stribling

Party Girl (Vera)

Geoffrey Dunn

Strange Passenger

Pat McGrath

Bert, 1st Fisherman

Crew (9)

Editing

Writing

Directing

Production

Henry Geddes

Associate Producer

Art

George Haslam

Art Direction

Crew

R.G.W. Smith

Sound Recordist

Camera

Stanley Grant

Director of Photography

Sound

Eric Spear

Original Music Composer