Revealing mistake: During Stimpson's speech toward the end of the film, you can see that it's John Cleese himself giving his sleeve a good pull under the table, when his taped-on sleeve accidentally comes off.
Clockwise (1986)
1 revealing mistake
Directed by: Christopher Morahan
Starring: John Cleese, Howard Lloyd-Lewis, Jonathan Bowater, Penny Leatherbarrow
Genres: Comedy
Continuity mistake: Watch Gwenda's headrest after she leaves the station in her car. It disappears between shots.
Brian Stimpson: We don't need a track. It's grass.
Trivia: John Cleese and Ann Way both starred in the Fawlty Towers episode "Gourmet Night", in which Cleese played his recurring role of Basil Fawlty and Way played the guest Mrs Hall.