柯克·阿林

Kirk Alyn

饰：Insp. David Worth

Rosemary La Planche

饰：Laura Keith

罗伊·巴克罗夫特

Roy Barcroft

饰：Spade Gordon

Carol Forman

饰：Nila

James Dale

饰：Agent Steve Evans

Bruce Edwards

饰：Prof. Paul Williams [Chs. 1-6]

James Craven

饰：Prof. James Clayton [Chs. 1, 10-12]

特利斯特拉姆·科芬

Tristram Coffin

饰：Frank Chambers [Ch. 8]

汤姆·斯蒂尔

Tom Steele

饰：Henchman Grey [Chs. 1-3],Pilot Haskell [Chs. 4-5],Henchman Larki

Dale Van Sickel

饰：Henchman Mac,False Prof. Graves [Chs. 6-7],Cave guard #1[Ch. 11]

Jack O'Shea

饰：Ali [Chs. 1, 10-12]

Marshall Reed

饰：Det. O`Hara [Ch. 9]

罗伯特·J·威尔克

Robert J. Wilke

饰：Zod, Pursuit Plane Pilot [Chs. 10-11]

Robert St. Angelo

饰：Native #3 [Ch. 11]

Dave Anderson

Dave Anderson

饰：Porter [Ch. 9]

James Carlisle

饰：Prof. Elwood M. Graves [Ch. 6]

约翰·达海姆

John Daheim

饰：Cave Guard #2 [Ch.11]

Art Dillard

饰：Native #2 [Chs. 11-12]

George Douglas

饰：Courier

Sol Gorss

饰：Digger #1 [Chs. 1, 11-12]

Bert LeBaron

饰：Warehouse Thug [Chs. 1-2, 10]

凯里·洛夫廷

Carey Loftin

饰：Ambulance Thug [Ch. 3]

Post Park

饰：Headquarters Thug [Ch. 9]

Loren Riebe

饰：Digger #2 [Chs. 1, 11-12]

大卫·夏普

David Sharpe

饰：Native #4 [Ch. 11]

Duke Taylor

饰：Roadblock Thug [Ch. 5],6th Native [Ch. 11]

肯·特雷尔

Ken Terrell

饰：Museum Thug [Ch. 6]

Bud Wolfe

饰：Chemical Company Thug [Ch. 4]

Joe Yrigoyen

饰：Roadblock Thug [Ch. 5],Native 5 [Ch. 11]