杰夫·莫罗

Jeff Morrow

饰：Dr. Leslie Gaskell

芭芭拉·劳伦斯

Barbara Lawrence

饰：Vera Hunter

约翰·埃默里

John Emery

饰：Dr. Hubbell Eliot

乔治·奥汉隆

George O'Hanlon

饰：Dr. Arnold Culver

莫里斯·安克鲁姆

Morris Ankrum

饰：Dr. Albert Stern

Kenneth Alton

饰：McCrary - The Pickup Driver

John Parrish

John Parrish

饰：Gen. Perry

何塞·冈扎勒斯-冈扎勒斯

Jose Gonzales-Gonzales

饰：Manuel Ramirez

理查德·哈里森

Richard Harrison

饰：Pilot

Marjorie Stapp

饰：Nurse

Robert Shayne

饰：Air Force General

唐·艾特纳

Don Eitner

饰：Weather Operator

Gordon Mills

Gordon Mills

饰：Sergeant

John Halloran

饰：Lab Central Security Guard

Baxter Ward

Robert Stevenson