沃尔特·皮金

Walter Pidgeon

饰：Adm. Harriman Nelson

琼·芳登

Joan Fontaine

饰：Dr. Susan Hiller

芭芭拉·伊登

Barbara Eden

饰：Lt Cathy Connors

彼得·洛

Peter Lorre

饰：Comm. Lucius Emery

罗伯特·斯特灵

Robert Sterling

饰：Capt. Lee Crane

迈克尔·安萨拉

Michael Ansara

饰：Miguel Alvarez

弗兰基·阿瓦隆

Frankie Avalon

饰：Lt (j.g.) Danny Romano

里吉斯·图米

Regis Toomey

饰：Dr. Jamieson

约翰·利特尔

John Litel

饰：Vice-Adm. B.J. Crawford

霍华德·麦克尼尔

Howard McNear

饰：Congressman Parker

亨利·丹尼尔

Henry Daniell

饰：Dr. Zucco

斯基普·沃德

Skip Ward

饰：Crew member

Mark Slade

Mark Slade

饰：Seaman Jimmy 'Red' Smith

查尔斯·坦嫩

Charles Tannen

饰：CPO Gleason

Del Monroe

饰：Kowski (as Delbert Monroe)

Anthony Monaco

Anthony Monaco

饰：Cookie

Michael Ford

Michael Ford

饰：Crew member

罗伯特·伊斯顿

Robert Easton

饰：Sparks

Jonathan Gilmore

饰：George Young

Richard Adams

Richard Adams

饰：Crew member (uncredited)

亚特·贝克

Art Baker

饰：UN commentator (uncredited)

Robert Buckingham

饰：Crew member (uncredited)

Charles Dierkop

饰：Pilot of the Seaview (uncredited)

George Diestel

George Diestel

饰：Lt. Hodges (uncredited)

Dr. John Giovanni

Dr. John Giovanni

饰：Italian delegate (uncredited)

Larry Gray

Larry Gray

饰：Dr. Newmar (uncredited)

William Herrin

William Herrin

饰：Crew member (uncredited)

Kendrick Huxham

饰：UN chairman (uncredited)

David McLean

饰：Ned Thompson (uncredited)

James Murphy

James Murphy

饰：Crew member (uncredited)