The Land Unknown
movie

BEHIND A BARRIER OF ANTARCTIC ICE... A PARADISE OF HIDDEN TERRORS!
Released October 15, 1957
Overview
Navy Commander Alan Roberts is assigned to lead an expedition to Little America in Antarctica to investigate reports of a mysterious warm water inland lake discovered a decade earlier. His helicopter and its small party, including reporter Maggie Hathaway, is forced down into a volcanic crater by a fierce storm. They find themselves trapped in a lush tropical environment that has survived from prehistoric times.
Cast

Jock Mahoney
as
Commander Harold 'Alan' Roberts

Shirley Patterson
as
Margaret 'Maggie' Hathaway

William Reynolds
as
Lt. Jack Carmen

Henry Brandon
as
Dr. Carl Hunter

Douglas Kennedy
as
Capt. Burnham

Phil Harvey
as
Machinist's Mate Steve Miller

Kenner G. Kemp
as
Officer at Briefing / Officer on Ship (uncredited)

Bing Russell
as
Radio Operator (uncredited)

Bert Stevens
as
Officer at Briefing (uncredited)
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Tom Coleman
as
Man at Briefing (uncredited)
Crew

Virgil W. Vogel
as
Director
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William N. Robson
as
Adaptation
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László Görög
as
Screenplay
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Richard H. Riedel
as
Art Direction
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Orien Ernest
as
Special Effects
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Ellis W. Carter
as
Director of Photography
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Charles Palmer
as
Story

Henry Mancini
as
Original Music Composer
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Herman Stein
as
Original Music Composer

Bud Westmore
as
Makeup Artist

Heinz Roemheld
as
Original Music Composer

William Alland
as
Producer