Bruce Edwards

饰：Steve Colt

Virginia Lee

Virginia Lee

饰：Joyce Winters (as Virginia Lindley)

Carol Forman

饰：Sombra, The Black Widow

Anthony Warde

饰：Nick Ward

拉姆塞·埃姆斯

Ramsay Ames

饰：Ruth Dayton

I·斯坦福·乔利

I. Stanford Jolley

饰：Dr. Z.V. Jaffa

西奥多·戈特利布

Theodore Gottlieb

饰：Hitomu (as Theodore Gottlieb)

Virginia Carroll

饰：Dr. Ann Curry [Chs. 6-7]

Gene Roth

饰：J.M. Walker - Newspaper Editor (as Gene Stutenroth)

萨姆·弗林特

Sam Flint

饰：Prof. Henry Weston

汤姆·斯蒂尔

Tom Steele

饰：Bard [Ch. 1],Jack [Ch. 8],Blair [Ch. 12]

Dale Van Sickel

饰：Bill [Ch. 4],Hodges [Ch. 7],Smith [Ch. 10],Bass [Ch. 12-13]

LeRoy Mason

饰：Dr. Godfrey [Ch. 5]

Forrest Taylor

饰：Bradley (Gang Lawyer) [Ch. 10]

厄尼·亚当斯

Ernie Adams

饰：Blinky

凯斯·理查德

Keith Richards

饰：Michael Burns [Ch. 1]

John Alban

饰：Triangulator Station Tech [Ch. 13] (uncredited)

Dave Anderson

Dave Anderson

饰：Porter-Spy [Ch. 4] (uncredited)

威廉·拜利

饰：Morgue Attendant [Ch. 10] (uncredited)

Robert Barron

饰：Link (a Thug) [Ch. 6] (uncredited)

Arvon Dale

饰：Triangulator Station Tech [Ch. 13] (uncredited)

迪克·戈登

Dick Gordon

饰：Reporter #2 at Demonstration [Ch. 6] (uncredited)

Duke Green

饰：Ted Mills (Henchman) [Ch. 2-3, 6, 9] (uncredited)

Frank Lackteen

饰：A. Kabob (Tocacconist) [Ch. 3] (uncredited)

Harold Landon

饰：Andy Baldwin (Pilot) [Chs. 4-5] (uncredited)

凯里·洛夫廷

Carey Loftin

饰：Spike, Cargo Plane Thug [Chs. 4-5] (uncredited)

Ted Mapes

饰：Slade (Truck Henchman) [Chs. 1-2, 9] (uncredited)

弗兰克·奥康纳

Frank O'Connor

饰：Police Inspector [Ch. 13] (uncredited)

Jack O'Shea

饰：Finnegan, Cornwall Co. Foreman [Ch. 2-3, 9] (uncredited)

吉尔·帕金斯

Gil Perkins

饰：Burke, Warehouse Thug [Ch. 8] (uncredited)

Stanley Price

饰：Filmore Hagen [Ch. 11] (uncredited)

Bob Reeves

饰：Detective (uncredited)

拉里·斯蒂尔斯

Larry Steers

饰：Dr. Harcourt [Chs. 9-10] (uncredited)

Laura Stevens

饰：Trixie (Gang Moll) [Ch. 10] (uncredited)

查尔斯·沙利文

Charles Sullivan

饰：Policeman with Ruth [Ch. 2] (uncredited)

肯·特雷尔

Ken Terrell

饰：Mendoza (Lab Tech in Cave) [Ch. 3] (uncredited)

Frank White

Frank White

饰：Lee [Ch. 4] (uncredited)

罗伯特·J·威尔克

Robert J. Wilke

饰：Cab Driver [Ch. 1],Jailer [Ch. 10] (uncredited)

Bud Wolfe

饰：Guard #1 on Cargo Plane [Ch. 4] (uncredited)

Peggy Wynne

饰：Nurse McIntyre [Ch. 9] (uncredited)

George Chesebro

Jerry Jerome