The Monster That Challenged the World

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Arnold Laven

Director

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

Marjorie Stapp

Connie Blake

Jody McCrea

Seaman Fred Johnson

Wallace Earl Laven

Sally

Don Ames

Sailor

Robert Benevides

Sonarman 2nd Class Morty Beatty

John Carlyle

Monster Victim

John Close

Deputy Larry

Sue Collier

Secretary

Walt Davis

Sailor

Harry Denny

Restaurant Patron

David Duncan

Writer

Pat Fielder

Writer

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