Ringo Starr,
Barbara Bach,
Dennis Quaid, and
Shelly Long star in the prehistoric slapstick farce
Caveman (1981). Ringo plays Atouk, a hapless Neanderthal who casually invents the wheel and accidentally discovers practical uses for fire when he's not being chased by fanged monsters and slipping on dinosaur doo-doo. Atouk also evolves rapidly under his loincloth when eyeballing Barbara in her too-tight skunk-skin bikinis.
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