Thoughts on casting Wormtail?

[jferer]

Audrey:"Does anyone have any thoughts on who should play Wormtail?  
For some reason I can't get Rowan Atkinson out of my mind.  I know he 
doesn't fit the physical description of the character at all but I can 
picture him groveling on the ground and saying, "Wasn't I a good 
rat?"

Too bad it isn't a radio production. Atkinson could do that; but we 
have a good candidate, except his age is against him: Wallace Shawn, 
the actor and playwright, who in "The Princess Bride" as the bald 
scheming villain ("Inconceivable!")