First one, then another, and another. Who or WHAT is responsible?

A team of men and women investigate the mysterious deaths of two previous expeditions to a strategically important but barren world.

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Main Cast: Gordon Devol, Jacqueline Ray, Jackson Bostwick, Stan Wojno, Hildy Brooks, Judith Doty, Barbara Minkus, Robert Emenegger, Paul Comi, James A. Watson, Jr

Directors: Robert Emenegger, Allan Sandler

Writer: Peter Dawson

Editor: Brian Varaday

Cinematographer: José Louis Mignone

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