Austin Willis

as Bainbridge

as Senator Willis

as Walters

as Packard

as Slabotsky

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 Dr. Mark Gregory

as George Carlisle

as Mr. Pomeroy

as William Gehrig

as Doctor Anderson

as Warden James

as Stuart

as Admiral Henry Victor Leslie Fox

as Myles Prentice

as Simmons

as District Attorney

as Varro

as Hurtelaut

as Mr. Collins

as McGuffey

as United States Secretary of Defense

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

as The Preacher

as Factor Lyman