Undertaker
I remember a time when a lot of people erroneously thought John Carradine's film career consisted of mostly him being type-cast as undertakers. Carradine himself was so amused by this popular misconception that he played his undertaker bit in "The Shootist" with zest and gusto; up until then, he said he had NEVER portrayed an undertaker!
However, with a career as prolific as John Carradine's, is it possible he'd forgotten having played undertakers in his earlier movies? I doubt it; but if anyone can name any other picture besides "The Shootist" featuring Carradine as an undertaker, let's hear it!