Me too. Years back there was an article talking about that possibility but nothing ever came of it.
Loved all the subtle - and not so subtle - elbows in the ribs:
“Call ‘em up on the Marconi”, “No one cumz in here. It is sekrit” - and Lithgow doing the Mussolini routine.
If I was producing a Buckaroo Banzai film today, I would consider James Franco for the lead.