Writer:	John Hawkins, Ward Hawkins
Director:	Nathan Juran
Star:	Richard Basehart (Admiral Nelson),  David Hedison (Captain Crane)
Recurring Role:	Robert Dowdell (Chip Morton),  Paul Trinka (Patterson),  Del Monroe (Kowalski),  Terry Becker (Chief Sharkey)
Guest Star:	Brent Davis (Peters),  Warren Stevens (Sam Garrity)

General Haines is played by veteran actor Michael Fox (not Michael J. Fox). Fox lent his voice to the Lost In Space episode "The Ghost Planet." (edit)

Garrity: For a race that dies easily, you people have little regard for life. (edit) Morton: When we fire at those electrical things, what do you think'll happen?
Crane: If we're still alive after we fire, I'll let you know. (edit)

Uncredited roles:

Michael Fox (Gen. Haines), Ashley Gilbert (Kelly), Marco Lopez (Marco), Ray Didsbury (Ray), Ron Stein (Ron) (edit) When one of the miniature ships is opened, there is an "electrical" sound and a flash of light. Nelson mentions an electical arc, but there is no animation to support that. (edit) Coming into act two, the flying sub is seen launching from the bay, the hatch wide open. Since there are never any huge bubbles leaving the bay as it opens, it's reasonable to assume the bay is flooded before the hatches open. Yet, while the sub is open to the sea, Chip Morton is seen coming out of the berthing area as if the sub were still there. He is not wet, nor is there any sign of flooding. Odd. (edit) The alien leader demonstrates the effectiveness of the heat field by igniting a piece of paper. Later, when Nelson and Sharkey escape the field, they simply jump through it. The field vanishes and there are little tufts of smoke. Yet, they are unhurt. So what was the big deal about these fields? (edit) Crane goes to great pains to protect himself when handling the radioactive cylinders in the reactor room while filling up the "radiation guns." He gets behind a shield and uses gloves to remove and fill the canisters. After which he hands them to Morton to attach to the guns. However, Morton is not wearing any protection as he barehandedly grabs the cylinders from the gloved Crane! (edit)

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