Movie scene where one man -impersonating an fbi agent - attempts to convince 2 other men - also impersonating fbi agents - that he is legit

An FBI undercover agent infiltrates the mob and identifies more with the mafia life at the expense of his regular one.

A case of mistaken identity forces a Federal agent and a dental supply salesman to team up as they speed through the streets of Detroit to pull off a sting operation and solve the murder of the agent's former partner.

Counterfeit ring gets busted and goes to the pen. But then a movie director comes to the prison looking for charismatic tough guys for a movie, and...

Two FBI agents are given the assignment of taking out the most dangerous man in America, but how will they do it?

An ex-Army intelligence agent is hired to impersonate a rich builder who has been marked for assassination. While impersonating the builder, he discovers a conspiracy to embezzle a land-development company.

A mismatched partner of two undercover FBI agents with radically different styles is forced to pretend to cohabitate. Initially, they detest one another. By the end they learn to respect each other as the case winds to a close.

To evade a gang conspiring to assassinate him, wealthy businessman Stuart Granger induces his unsuspecting, look-alike cousin, Jack Burton, to impersonate him for a month.

A highly intelligent and skilled swindler teams up with his assistants to set up fraud plans against his victims of celebrities and businessmen. With the assistance of university doctor Shamlan, the police try to find ways to track him down.

An actor is approached by a group of men offering him a job posing as an executive at a diamond exchange to help them pull off a robbery.