What was his evil mission?
When young reporter and amateur biker Jerry Marsh investigates a mysterious hooded figure on a motorbike, he discovers crooks hiding out in a ruined castle with atomic sabotage on their minds...
Jimmy Hanley
Jerry Marsh
Rona Anderson
Mary Plack
Leslie Dwyer
Robert Plack
Lionel Jeffries
Martin Bremner
Kenneth Connor
George Amble
Beatrice Varley
Mrs. Marsh
Michael Golden
Rakoff
Valerie Hanson
Karen
Vincent Ball
Ted Lintott
Edwin Richfield
Geoff Morgan
Robert Rietti
Mario
James Raglan
Rackton
