Acted · 2 Cy Grant Known for At the Earth's CoreRevenge of the Mysterons from Mars 2Films 1976–1981Active 5.1Avg. IMDb 5.1Highest rated · At the Earth's Core Overview Films Timeline Films per yearTimeline 1976 · 11981 · 1 19761981 Known for At the Earth's Core 1976 Revenge of the Mysterons from Mars 1981 Films Starring 2 Revenge of the Mysterons from Mars 1981 At the Earth's Core 1976
