劳埃德·布里吉斯

Lloyd Bridges

饰：Dr. Doug Standish

布莱恩·凯利

Brian Kelly

饰：Dr. Craig Mosby

雪莉·伊顿

Shirley Eaton

饰：Dr. Margaret E. 'Maggie' Hanford

大卫·麦考姆

David McCallum

饰：Dr. Philip Volker

基南·怀恩

Keenan Wynn

饰：Hank Stahl

马歇尔·汤普森

Marshall Thompson

饰：Dr. Orin Hillyard

加里·梅里尔

Gary Merrill

饰：Dr. August 'Gus' Boren

Ron Hayes

饰：Brinkman

乔治·柴田

George Shibata

饰：Prof. Uji Hamaru

Donald Linton

Donald Linton

饰：Vice President of the USA

Don Wells

Don Wells

饰：Sonar Man on the Dilligence

Jack Ewalt

Jack Ewalt

饰：Jack Smith, mining platform superintendant

George De Vries

饰：Coast Guard Lieutenant

Tony Gulliver

饰：Officer

Joey Carter

Joey Carter

饰：Technician

塞莱斯特·亚纳尔

Celeste Yarnall

饰：Secretary

Paul Gray

饰：Pilot

Frank Logan

饰：Captain of the Diligence