The Outer Limits (1963–1965)
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The Invisible Enemy 

The first manned expedition to Mars finds itself being killed one by one by an alien predator.




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Episode complete credited cast:
Major Charles 'Chuck' Merritt
Rudy Solari ...
Captain Jack Buckley
Joe Maross ...
General Winston
Mr. Jerome
Colonel Hal Danvers
Anthony Costello ...
Lieutenant Jim Bowman
Lieutenant Frank Johnson (as Bob DoQui)
Peter Marko ...
Captain Paul Lazzari
Captain Fred Thomas (as Mike Mikler)


The first manned expedition to Mars finds itself being killed one by one by an alien predator.

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Release Date:

31 October 1964 (USA)  »

Company Credits

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Technical Specs


Sound Mix:

Aspect Ratio:

1.33 : 1
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Did You Know?


The makers of this production "Invisible Enemy" were extremely dissatisfied with the results. Haskin said of Adam West: "He was an adequate actor capable of small roles. It was the supporting cast that was poorly chosen". Quotes from "The Outer Limits: The Official Companion" by David J. Schow and Jeffrey Frentzen. Copyright 1986, Ace Science Fiction Books. See more »


Captain Fred Thomas: This is Captain Fred Thomas, commanding interplanetary vehicle M1 colonization probe. To Colonel Hal Danvers, headquarters communication, planet Earth. Subject of report - arrival on the planet Mars. Landing is completely successful.
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References The War of the Worlds (1953) See more »

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User Reviews

Sand Sharks
16 March 2016 | by (North America) – See all my reviews

The first manned expedition to Mars has successfully landed, and the two-man crew explores the surface of the planet when something goes horribly wrong, and all contact is lost. Three years later, Earth tries again, this time sending a four-man crew to re-investigate, when tragedy strikes again, and two more men are lost. Major Merritt(played by Adam West) and Captain Jack Buckley(played by Rudy Solari) discover the true nature of the mystery, voracious sand sharks that may prevent them taking off again...Paper thin story with outdated science(an atmosphere on Mars?) still manages to be entertaining on a Halloween-viewing level. Not to be taken seriously of course, but watchable.

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