A few of the monsters reappeared in
Gene Roddenberry's
Star Trek series of the late 1960s. A feathered creature was modified to appear as a zoo animal in the background of the first pilot of
Star Trek; a prop head from "Fun and Games" was used to make a Talosian appear as a vicious creature. The moving carpet beast in "The Probe" later was used as the "
Horta", and operated by the same actor (
Janos Prohaska). The process used to make pointed ears for
David McCallum in "
The Sixth Finger" was reused in
Star Trek as well. The "ion storm" seen in "
The Mutant" (a projector beam shining through a container containing glitter in liquid suspension) became the transporter effect in
Trek.
Actors who would later appear in
Star Trek included
Leonard Nimoy who appeared in two episodes, "
Production and Decay of Strange Particles" and "
I, Robot" and
William Shatner appeared in the episode "
Cold Hands, Warm Heart" as an astronaut working on a Project Vulcan. Other actors who subsequently appeared in
Star Trek were
James Doohan in a supporting role as a policeman in "
Expanding Human", and
Grace Lee Whitney in the episode "
Controlled Experiment".
Gene Roddenberry paid a lot of attention to what
The Outer Limits team was doing at the time, and he was often present in their studios. He hired several
Outer Limits alumni, among them
Robert Justman and
Wah Chang for the production of
Star Trek.
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