Lt. Col. Glenn Manning is inadvertently exposed to a plutonium bomb blast and although he sustains burns over 90% of his body, he survives. Then he begins to grow, but as he grows he starts losing his mind. By the time he stops he is 50 ft tall, insane and is on the rampage.
Glenn Langan
Cathy Downs
William Hudson
Larry Thor
James Seay
Russ Bender
Hank Patterson
Frank Jenks
Jimmy Cross
June Jocelyn
Stanley Lachman
Harry Raybould
Jean Moorhead
Scott Peters
Myron Cook
Michael Harris
Bill Cassady
Dick Nelson
Edmund Cobb
Paul Hahn
Diana Darrin
Lyn Osborn
Jack Kosslyn
William Hughes
Keith Hetherington