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Conrad Nagel
The Voice of Oil (voice)
H.B. Warner
The Voice of History (voice)
Gayne Whitman
The Geologist (voice)
Will Wright
The Professor (voice)
John Mather
The Barker (voice)
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Released
George Pal Productions
Shell Oil Company
Duke Goldstone
Director
George Pal
Producer
Norman Vizents
Story
