一场在极圈进行的原子弹爆炸实验，释放了冰层中沈睡一亿四千年的恐龙，这只恐龙跑到纽约市大肆侵略，造成巨大恐慌。
Paul Hubschmid
Prof. Nesbitt
Paula Raymond
Lee Hunter
Cecil Kellaway
Prof. Elson
Kenneth Tobey
Col. Evans
Donald Woods
Capt. Jackson
Lee Van Cleef
Corp. Stone
Steve Brodie
Sgt. Loomis
Ross Elliott
George Ritchie
Jack Pennick
Jacob Bowman
Ray Hyke
Sgt. Willistead
Paula Hill
Miss Ryan
Michael Fox
ER Doctor
Alvin Greenman
Radar Man #1
Frank Ferguson
Dr. Morton
