All Cast

Kenneth Tobey

Kenneth Tobey

Captain Patrick Hendry

Margaret Sheridan

Margaret Sheridan

Nikki

Robert Cornthwaite

Robert Cornthwaite

Dr. Arthur Carrington

Douglas Spencer

Douglas Spencer

Ned 'Scotty' Scott

James Young

James Young

Lt. Eddie Dykes

Dewey Martin

Dewey Martin

Crew Chief Bob

Robert Nichols

Robert Nichols

Lt. Ken 'Mac' Erickson

William Self

William Self

Corporal Barnes

Nicholas Byron

Nicholas Byron

Tex Richards

Eduard Franz

Eduard Franz

Dr. Stern

George Fenneman

George Fenneman

Dr. Redding

Paul Frees

Paul Frees

Prof. Voorhees

Everett Glass

Everett Glass

Prof. Wilson

Norbert Schiller

Norbert Schiller

Dr. Lorenz

Edmund Breon

Edmund Breon

Prof. Ambrose

John Dierkes

John Dierkes

Dr. Chapman

Sally Creighton

Sally Creighton

Mrs. Chapman

James Arness

James Arness

'The Thing'

David McMahon

David McMahon

Gen. Fogarty

Bill Neff

Bill Neff

Bill Stone (uncredited)