罗德·卡梅隆
Rod Cameron
饰：Agent Rex Bennett
罗兰·郭
Roland Got
饰：Agent Chang Sing
Constance Worth
饰：Agent Vivian Marsh
Nino Pipitone
饰：Oyama Haruchi
诺埃尔·克拉瓦特
Noel Cravat
饰：Ranga
乔治·J·刘易斯
George J. Lewis
饰：Lugo
Maxine Doyle
饰：Marie [Ch.8]
Donald Kirke
饰：Pier 17 Thug [Ch.1]
Ivan Miller
饰：Pier 17 Customs Inspector [Ch.1]
Walter Fenner
饰：Williams, financial agent [Ch.1]
C. Montague Shaw
饰：Prof. Nicholson [Ch. 3-4]
Harry Burns
饰：Tony Mills [Ch. 4, 12-13]
Forbes Murray
Forbes Murray
饰：James Kennedy [Ch. 12]
Hooper Atchley
饰：Harrison J. Caldwell [Ch.5]
罗伯特·霍曼斯
Robert Homans
饰：Captain Gorman [Ch. 12-13]
Allen Jung
饰：Fuji, Escaped Japanese Spy [Ch.2]
Mary Bayless
饰：Nurse-Receptionist [Ch.14] (uncredited)
山姆·伯纳德
Sam Bernard
饰：Karl - Spy in Washington [Ch.12] (uncredited)
Virginia Carroll
饰：Room Nurse [Ch.14] (uncredited)
埃德蒙·科博
Edmund Cobb
饰：Stewart, Boulder Dam Commissioner [Ch.6] (uncredited)
约翰·达海姆
John Daheim
饰：Balcony Thug [Ch.14] (uncredited)
Arvon Dale
饰：Test Pilot [Ch.11] (uncredited)
乔治德诺尔芒迪
George DeNormand
饰：Tall Haruchi Bodyguard [Ch.8] (uncredited)
艾迪·朱
Eddie Dew
饰：Agent Z-24 [Ch.9] (uncredited)
Martin Faust
饰：Lumber Mill Thug [Ch.2] (uncredited)
Charles Flynn
饰：Interceptor Pilot [Chs.11-12] (uncredited)
William Forrest
饰：Prof. Jackson [Ch.11] (uncredited)
Dick French
Dick French
饰：Airport Thug [Ch.1] (uncredited)
Paul Fung
饰：Japanese Sub Captain [Ch.9-10, 15] (uncredited)
Bud Geary
饰：Paint Factory Thug [Chs.1-2] (uncredited)
劳伦斯·格兰特
Lawrence Grant
饰：Sir John Brookfield [Ch.1] (uncredited)
约翰·汉密尔顿
John Hamilton
饰：Raymond Martin [Ch.7] (uncredited)
肯尼思·哈尔兰
Kenneth Harlan
饰：Lab Guard [Ch.4],Officer Casey [Ch.12] (uncredited)
John James
饰：Boulder Dam Radio Dispatcher [Ch.6] (uncredited)
爱德华·基恩
Edward Keane
饰：Gordon - Traitorous Engineer [Ch.7] (uncredited)
Charles La Torre
饰：Curio Shop Proprietor [Ch.2] (uncredited)
Walter Lowe
Walter Lowe
饰：Graham the Assassin [Ch.10] (uncredited)
George Lynn
饰：Pilot Thug [Ch.5] (uncredited)
Otto Metzetti
饰：(uncredited)
Norman Nesbitt
Norman Nesbitt
饰：Radio Newscaster [Chs. 9, 15] (uncredited)
帕特·奥马利
Pat O'Malley
饰：Gibson - Engineer [Ch.7] (uncredited)
Eddie Parker
饰：Phony Butler [Ch.12] (uncredited)
Ray Parsons
Ray Parsons
饰：Jones - Engineer [Ch.7] (uncredited)
吉尔·帕金斯
Gil Perkins
饰：Mansion Heavy 1 [Ch.7],Intern 2 [Chs.12, 13] (uncredited)
Charles Phillips
饰：Medium Haruchi Bodyguard [Ch.8] (uncredited)
Eddie Phillips
饰：Laundry Clerk Thug [Ch.9] (uncredited)
Stanley Price
饰：Gabby Gibbs [Ch.6] (uncredited)
Tom Seidel
饰：Agent Spencer [Chs. 2, 5, 10, 12, 14-15] (uncredited)
汤姆·斯蒂尔
Tom Steele
饰：Garage Thug [Chs.7-8],Ambulance Intern [Chs.12, 13] (uncredited)
Robert Strange
饰：German Sub Crewman [Ch. 3] (uncredited)
埃利奥特·沙利文
Elliott Sullivan
饰：Turner - Detonator Thug [Ch.6] (uncredited)
Harry Tauvera
Harry Tauvera
饰：Japanese Sub Crewmen [Chs.9-10, 15] (uncredited)
Duke Taylor
饰：Mansion Heavy 2 [Ch.7],Truck Heavy [Ch.11] (uncredited)
肯·特雷尔
Ken Terrell
饰：Garage Thug [Chs. 7-8],Yacht Thug [Chs. 9-10],Explosives Thug [C
Dale Van Sickel
饰：Pier Thug [Ch.3] (uncredited)
John Wallace
饰：Old News Vendor [Ch.1] (uncredited)
Crane Whitley
饰：Dale Burnell [Ch.10] (uncredited)
诺尔曼威利斯
Norman Willis
饰：German Sub Captain [Ch.3] (uncredited)
Bud Wolfe
饰：Consolidated Warehouse Thug [Ch.4] (uncredited)