Carry On Spying is a 1964 film and is the ninth movie in the Carry On film series and marks Barbara Windsor's first appearance in the series and the last film in the series to be shot in black and white.
A top secret chemical formula has been stolen by STENCH (the Society for the Total Extinction of Non-Conforming Humans). Agent Simpkins and his three trainees are hot on the trail, chasing the villains across the world. There are gadgets galore, and disguises are compulsory if the heroes are to win the day from The Fat Man, Milchman (who stole the formula disguised as a milkman) and Dr Crow.
Kenneth Williams as Desmond Simkins
Barbara Windsor as Daphne Honeybutt
Bernard Cribbins as Harold Crump
Charles Hawtrey as Charlie Bind
Jim Dale as Carstairs
Eric Barker as The Chief
Richard Wattis as Cobley
Dilys Laye as Lila
Eric Pohlmann as The Fat Man
Victor Maddern as Milchmann
Judith Furse as Doctor Crow