Summary: Potts, a British Sanitary Engineer, leaves on vacation with a set of plans for a new secret weapon which he has mistaken for his new plumbing invention. Everyone is hunting for him, including the Russians... (imdb)

Genre: Comedy

Country: UK

Directed By: Mario Zampi

Written By: Jack Davies

Starring: Wilfrid Hyde-White, George Cole, Oskar Homolka, Geoffrey Sumner, Frederick Valk, Nadia Gray

More information at the Internet Movie Database