Peter Sellers, Lionel Jefferies, Bernard Cribbins, Nanette Newman, John Le Mesurier. From a screenplay by John Warren & Len Heath; original story by Ivor Jay & William Shistance Smith. Originally produced as a motion picture in 1982.
Summary:
"The crooks in London know how it works. No one carries guns and no one resists the police. Then a new gang appears that go one better. They dress as police and steal from the crooks. This upset's the natural order of the police/criminal relationship and the police and the crooks join forces to catch the IPOs (Impersonating Police Officers), including an armored car robbery in which the police must help the gangs to set a trap"--Internet Movie Database.
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