Robert Culp
Narrator
Acting
David Carradine
John Tucker (archive footage) (uncredited)
Acting
Dan Haggerty
Dr. Mike Campbell (archive footage) (uncredited)
Acting
Persis Khambatta
Colbalt (archive footage) (uncredited)
Acting
Cameron Mitchell
Dutch / Miller (archive footage) (uncredited)
Acting
Oliver Reed
General Turner (archive footage) (uncredited)
Acting