彼得·格雷夫斯

Peter Graves

饰：Chris Cronyn

安德丽·金

Georgette André Barry

饰：Linda Cronyn

Herbert Berghof

饰：Franz Calder (former Nazi)

沃尔特·桑德

Walter Sande

饰：Adm. Bill Carey (code breaker)

Marvin Miller

饰：Arjenian

威利斯·布鲁辛

Willis Bouchey

饰：President

莫里斯·安克鲁姆

Morris Ankrum

饰：Secy. of Defense Sparks

奥利·林格伦

Orley Lindgren

饰：Stewart Cronyn

Ben Astar

饰：Russian commissar (uncredited)

文斯·巴尼特

Vince Barnett

饰：Seedy man listening to radio (uncredited)

詹姆斯·科纳蒂

James Conaty

饰：Secretary of the Navy (uncredited)

韦德·克罗斯比

Wade Crosby

饰：Senator from Wheat Belt (uncredited)

Claude Dunkin

饰：Peter Lewis (Mitchell photographic assistant) (uncredited)

Charles Evans

Charles Evans

饰：Coal mine owner (uncredited)

富兰克林·法纳姆

Franklyn Farnum

饰：Senator (uncredited)

萨姆·弗林特

Sam Flint

饰：Worried man at Lincoln Memorial (uncredited)

山姆·哈里斯

Sam Harris

饰：Senator (uncredited)

Ed Hinton

Ed Hinton

饰：Military man (uncredited)

汤姆·基恩

Tom Keene

饰：Maj. Gen. George Burdette (uncredited)

比尔·肯尼迪

Bill Kennedy

饰：News commentator #1 (uncredited)

Colin Kenny

饰：Mine owner (uncredited)

亨利·库尔基

Henry Kulky

饰：Military guard (uncredited)

代顿·拉米斯

Dayton Lummis

饰：Radio commentator (uncredited)

乔治·麦格瑞

George Magrill

饰：Pitchman (uncredited)

Lewis Martin

饰：Dr. Mitchell (astronomer) (uncredited)

弗兰克·米尔斯

Frank Mills

饰：Senator (uncredited)

Leo Mostovoy

饰：Foreign radio broadcaster (uncredited)

小豪斯·彼得斯

House Peters Jr.

饰：Dr. Boulting (Mitchell's assistant) (uncredited)

Joe Ploski

饰：Extra at Russian headquarters (uncredited)

Gene Roth

饰：United Mine Workers chief (uncredited)

伯特史蒂文斯

Bert Stevens

饰：Officer (uncredited)

Brick Sullivan

饰：Planetarium guard (uncredited)

John Topa

饰：Russian Gen. Borodin (uncredited)

Bayard Veiller

Bayard Veiller

饰：Roger Cronyn

Grace Leonard

Grace Leonard

饰：Seedy woman listening to radio (uncredited)

Robert Carson

Robert Stevenson