Tom Towers

饰：Albert M. (Al) Chop

Nicholas Mariana

Nicholas Mariana

饰：Himself

Delbert Newhouse

Delbert Newhouse

饰：Himself

奥兰·索尔

Olan Soule

Willis Sperry

Willis Sperry

饰：Himself

Wendell Swanson

Wendell Swanson

饰：Himself

莱斯·崔梅恩

Les Tremayne

哈里·摩根

Harry Morgan

饰：Voice-pilot on radio (uncredited)

Gene Coughlan

饰：Editor

Stan Gordon

饰：Reporter

Marie Kenna

饰：Mrs. Chop

John A. Sanford

饰：Himself

William Solomon

饰：Scientist

伯特·弗里德

Bert Freed

饰：自己

罗伯特·菲利普斯

Robert Phillips

饰：自己

奥兰·索尔

Olan Soule

饰：自己

约翰·布朗

John Brown

饰：Narrator

Marvin Miller

饰：Narrator

Floyd Burton

Floyd Burton

饰：Dewey Fournet

Hoyt Vandenberg

饰：Self,(archive footage) (as Gen. Hoyt Vandenberg)