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)
Ending / spoiler
Directed by: Christopher Morahan
Starring: John Cleese, Howard Lloyd-Lewis, Jonathan Bowater, Penny Leatherbarrow
Genres: Comedy
Brian and Laura get to Norwich just in time, having stolen a Porsche and the driver's suit (with a Sellotaped sleeve). He makes a speech (with constant distractions), then is promptly arrested by waiting policemen. His listeners all charge to the windows to watch his exit.
Batty
More mistakes in Clockwise
Brian Stimpson: The first step to knowing who we are... is knowing where we are and... when we are.
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.