约翰·P.瑞安

John P. Ryan

饰：Frank Davies

莎朗·法雷尔

Sharon Farrell

饰：Lenore Davies

James Dixon

饰：Lieutenant Perkins

小威廉姆·维尔曼

William Wellman Jr.

饰：Charley

Shamus Locke

饰：The Doctor

安德鲁·杜甘

Andrew Duggan

饰：The Professor

盖·斯托克维尔

Guy Stockwell

饰：Bob Clayton

Daniel Holzman

饰：Chris Davies

迈克尔·安萨拉

Michael Ansara

饰：The Captain

罗伯特埃姆哈德特

Robert Emhardt

饰：The Executive

Nancy Burnett

Nancy Burnett

饰：Nurse (as Mary Nancy Burnett)

Diana Hale

Diana Hale

饰：Secretary (uncredited)

Patrick McAllister

饰：Expectant Father (uncredited)

Gwil Richards

饰：Expectant Father (uncredited)

Jerry Taft

饰：Expectant Father (uncredited)

Gerald York

Gerald York

饰：Expectant Father (uncredited)

W. Allen York

饰：Expectant Father (uncredited)