A troublesome boy gets other children into danger while skin diving, but learns his lesson after a near-fatal accident.
Anthony Bate
Lieutenant Commander Jim Matthews
Elizabeth Bradley
Mrs Haddock
Susan George
Susan Haddock
Michael Wennink
Spike Haddock
Stephen Craig
Derek Matthews
Vanessa Page
Vanessa
Penelope Wansbury
Penny
Adrian Ellyl-Soler
Vic
Patrick Crockford
Dusty
