Cast

Tim Holt

Lt. Cmdr. John 'Twill' Twillinger

Audrey Dalton

Gail MacKenzie

Hans Conried

Dr. Jess Rogers

Barbara Darrow

Jody Simms

Max Showalter

Dr. Tad Johns

Harlan Warde

Lt. Robert 'Clem' Clemens

Gordon Jones

Sheriff Josh Peters

Mimi Gibson

Sandy MacKenzie

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Marjorie Stapp

Connie Blake

Jody McCrea

Seaman Fred Johnson

Crew

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David Duncan

Story (Writing)

Arnold Laven

Director (Directing)

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Heinz Roemheld

Conductor (Sound)

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Virginia Mazzuca

Production Assistant (Production)

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Joel Moss

Sound Recordist (Sound)

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Charles Althouse

Sound Recordist (Sound)

Arthur Gardner

Producer (Production)

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Pat Fielder

Screenplay (Writing)

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Kerwin Coughlin

Casting (Production)

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Augie Lohman

Special Effects (Crew)