as Will Hamilton
as Pat Harrigan
as Dr. Alexander Thorkel
as Kenneth Holden
as 'Clag' Claghorn
as Cap. Rucker (Texas Ranger)
as Frank Leonard
as John Minify
as (archive footage)
as Mr. Reynolds
as Secretary of Defense
as Dr. Martin
as Britt Dawson
as James E. 'Hunk' Gardner
as Armitage
