A strange warning is followed by near disaster when a speedboat slices John's surfboard in half as his friends look on in horror. His curiosity aroused, John involves himself, his family, and friends in the bizarre mystery surrounding a silent trawler. But his curiosity may get him killed... when a ruthless smuggling ring, with $5,000,000 at stake, makes the situation even more dangerous!
Greg Rowe
Sally Boyden
Jacqui Gordon
Rick Ireland
Bill Hunter
Sue Jones
Jack Heywood
Gus Mercurio
Marcel Cugola
Ernie Sigley
Bunney Brooke
Brian Hannan
Arlene Andrewartha
Chris Haywood
Kerry Culpin
Jim Danton
Rob Constable
Chris Milne
Denis Collins