Personally the face he gives as Indiana Jones to Sallah before going into the Snake Pit is a favourite.
A fine combination of panic, disappointment and some surprise.
I think that's probably the one you suggested there.
(
Uncle Gilly hides from Plato,
Mon 4 May 2009, 14:50,
archived)
Oddly enough,
my facial expression for that precise kinda moment is nowhere near as pleasing on the big screen.
(
Sea Tramp the thinking woman's 8 Ace,
Mon 4 May 2009, 15:00,
archived)