BIG SPOILER!!!!! About the Final Cameo

DO NOT READ ANY FURTHER unless you want to know who makes a cameo appearance at the end of this movie.
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I thought Groucho Marx's cameo appearance at the end was absolutely hysterical, and one of his lines -- though obvious -- had me laughing out loud.

JAYNE: You never even tried to kiss me.
GROUCHO: I couldn't get that close.