

How This Island Earth performed
Budget
$800,000
Worldwide Gross
$1.7M
Gross Profit
$900,000
Return
2.1× budget
Opening Wknd (est.)
$214K
Source: TMDB. Domestic/international split (~34/66, genre-typical) and the opening-weekend figure (37% of the domestic run, typical for Science Fiction) are MoviesRankd estimates. Profit is gross revenue minus production budget and excludes marketing — studios typically need ~2–2.5× budget to break even.
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Cast

Dr. Cal Meacham
Rex Reason
Dr. Cal Meacham

Dr. Ruth Adams
Faith Domergue
Dr. Ruth Adams

Exeter
Jeff Morrow
Exeter

Brack
Lance Fuller
Brack

Joe Wilson
Robert Nichols
Joe Wilson

Steve Carlson
Russell Johnson
Steve Carlson

The Monitor of Metaluna
Douglas Spencer
The Monitor of Metaluna

Dr. Adolph Engelborg
Karl Ludwig Lindt
Dr. Adolph Engelborg

Mutant (uncredited)
Regis Parton
Mutant (uncredited)

Pilot (uncredited)
Richard Deacon
Pilot (uncredited)

Express Deliveryman (uncredited)
Coleman Francis
Express Deliveryman (uncredited)

Webb (uncredited)
Robert B. Williams
Webb (uncredited)
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