SPOILER: Possibly, One Of The Funniest Scenes In Hollywood Film History?
I thought the most unforgettable scene in APPOINTMENT WITH DANGER(1951) was when Alan Ladd shoots Jack Webb in the gut at point blank range while they're both standing upright and struggling for the same gun as if they're almost dancing. Webb appears to go into rigor mortis as his facial expression starts to freeze up into his trademark DRAGNET deadpan while bobbing forward and Ladd tersely says "What's the matter Joe? Feelin' a little heavy...?