as

Bainbridge

as

Walters

as

Slabotsky

as

Packard

as

Head Engineer

as

Grube

as

Graydon Hunter

as

Martin Herndon

as

Judge

as

Cantwell

as

Dr. Nagy

as

Joseph Bellen

as

Anson Safford

as

Mr. Pomeroy

as

William Gehrig

as

Dr. Mark Gregory

as

George Carlisle

as

Doctor Anderson

as

Warden James

as

Myles Prentice

as

Admiral Henry Victor Leslie Fox

as

Stuart

as

Simmons

as

District Attorney

as

Varro

as

Mr. Collins

as

Hurtelaut

as

United States Secretary of Defense

as

McGuffey

as

Clem Krivak

as

Ken Cullum

as

Charles Stevens

as

John

as

Captain of a cargo vessel

as

Anthony Pinkerton

as

Father

as

'Dr.' Barney Weaver

as

Dr. Fleming, Space Command

as

Dr. Ben Edwards

as

Red North