查尔斯·德拉克

Charles Drake

饰：Dr. Ralph Harrison

卡琳·布思

Karin Booth

饰：Janice Robertson

比利·蔡平

Billy Chapin

饰：Brian 'Gadge' Robertson

泰勒·霍姆斯

Taylor Holmes

饰：Prof. Arnold Nordstrom

史蒂文·杰雷

Steven Geray

饰：The Foreign Spy-Chief

亨利·库尔基

Henry Kulky

饰：Paul, Spy-Henchman

Franz Roehn

饰：Karl

哈尔·贝勒

Hal Baylor

饰：Max (spy-henchman)

艾伦雷诺兹

Alan Reynolds

饰：Gilligan, a reporter

彼得·布罗科

Peter Brocco

饰：Dr. Gustav

Norman Field

饰：Commissioner of CIFC

Robert Shayne

饰：General #1

莱尔·塔尔博特

Lyle Talbot

饰：An Admiral

Emmett Vogan

饰：First Congressman

威廉·沙勒特

William Schallert

饰：Johnston, a reporter

Helen Winston

Helen Winston

饰：Miss Baker, CIFC secretary

Jack Daly

饰：CIFC Scientist with Pipe (uncredited)

富兰克林·法纳姆

Franklyn Farnum

饰：Government Representative (uncredited)

阿特·吉尔摩

Art Gilmore

饰：Airport Announcer (uncredited)

Maury Hill

Maury Hill

饰：Young CIFC Scientist (uncredited)

查尔兹·歇洛克

Charles Sherlock

饰：Military Man (uncredited)

Lew Smith

饰：Tobor (uncredited)

Maurice Hill

阿特·吉尔摩

Art Gilmore