Don Terry
饰：Cmdr. Don Winslow
沃尔特·桑德
Walter Sande
饰：Lt. Red Pennington
约翰·利特尔
John Litel
饰：Spencer Merlin
韦德·博特勒
Wade Boteler
饰：Mike Splendor
萨缪尔·S·辛兹
Samuel S. Hinds
饰：Admiral Colby, The CINC-US [Ch. 1]
克莱尔·多德
Claire Dodd
饰：Mercedes Colby
安妮·内格尔
Anne Nagel
饰：Misty Gaye
Ben Taggart
饰：John Blake
库尔特·卡奇
Kurt Katch
饰：The Scorpion
赫伯特罗林森
Herbert Rawlinson
饰：Adm. Warburton [Ch. 1]
Dirk Thane
Dirk Thane
饰：Lt. Cmdr. Grady [Chs. 1, 12]
Jack Holland
Jack Holland
饰：Paul Barsac
Arthur Loft
饰：Tranker - Submarine Z-37 Captain [Chs. 1-2]
伊芙琳·瓦登
Paul Bryar
饰：Kramer - [Chs. 3-4]
伊桑·莱德劳
Ethan Laidlaw
饰：Henchman Spike
Robert Barron
饰：Henchman Prindle
莱恩·钱德勒
Lane Chandler
饰：Henchman Corley
皮特·里德斯
Peter Leeds
饰：Seaman Chapman
Jerry Mandy
饰：Tangita Jim [Chs. 2, 10]
Iron Eyes Cody
Iron Eyes Cody
饰：Native Thug at Mill [Ch. 5] (uncredited)
William Desmond
饰：Pat - Smelter Foreman [Ch. 5] (uncredited)
Heenan Elliott
饰：Captain of the S.S. 'Tarleton' [Chs. 3-4] (uncredited)
肯尼思·哈尔兰
Kenneth Harlan
饰：Capt. Holding [Ch. 1] (uncredited)
Edward Hearn
饰：Mill Henchman [Chs. 5-6] (uncredited)
Guy Kingsford
饰：Jackson - Z-40 Submarine Captain [Chs. 7-9-10] (uncredited)
Frank Lackteen
饰：Koloka [Chs. 6-7] (uncredited)
Bert LeBaron
饰：Radio Room Henchman [Ch. 10] (uncredited)
John Merton
John Merton
饰：Destroyer 620 Helmsman [Chs. 1, 9] (uncredited)
Irving Mitchell
饰：Taylor - the Chemist [Chs. 8-9] (uncredited)
Eddie Polo
饰：Lab Assistant [Chs. 8-9] (uncredited)
Jack Rockwell
饰：Henchman Butch Clint [Ch. 8] (uncredited)
Buddy Roosevelt
饰：Henchman-Helmsman [Ch. 3] (uncredited)
Paul Scott
饰：Capt. Fairfield [Chs. 1-2] (uncredited)
汤姆·斯蒂尔
Tom Steele
饰：Diving Boat Raider [Chs. 10-11] (uncredited)
雷·蒂尔
Ray Teal
饰：Parker - Saboteur Radio Operator [Chs. 4-12] (uncredited)
肯·特雷尔
Ken Terrell
饰：Sam Munn,Henchman Rocky (uncredited)
Dale Van Sickel
饰：Sailor (uncredited)
Phil Warren
饰：S.S. 'Baratavia' Crewman [Ch. 2] (uncredited)
Elyse Knox
饰：Mercedes Colby
安必立
Philip Ahn
饰：Hirota
琼·杜普雷
June Duprez
饰：Tasmia
Edgar Dearing
饰：CPO Ben Cobb
Lionel Royce
饰：Reichter
Henry Victor
饰：Heilrich
查尔斯·瓦根海姆
Charles Wagenheim
饰：Mussanti
内斯特帕瓦
Nestor Paiva
饰：The Scorpion