![](https://image.tmdb.org/t/p/w92/jgweYRvp59HKLBTWVV5rfJlzwn4.jpg)
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,
Rona Anderson,
Leslie Dwyer,
Lionel Jeffries,
Kenneth Connor,
Beatrice Varley,
Michael Golden
Added on Amazon Prime 2020-12-15.