Summary: 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... (imdb)

Genres: Suspense/Thriller, Crime

Country: UK

Directed By: Wolf Rilla

Written By: A.R. Rawlinson

Starring: Lionel Jeffries, Kenneth Connor, Jimmy Hanley, Beatrice Varley, Leslie Dwyer, Robert Rietty, Vincent Ball, Rona Anderson, James Raglan, Michael Golden, Valerie Hanson, Edwin Richfield

More information at the Internet Movie Database