Jeff Knight
Guide #1
Guide #2 (as Gene Glazer)
Dana
Lena
Richard (as Timothy Donnelly)
George / George Walker
Guide #3
Dr. Jameson
Dr. Nelson
Guide #4
Clone
Jack
Senator
Doctor (as Eddy Carroll)
Guide #5
Motorcycle Rider
Jake Noble
Anna Noble
Ricky
Richard Knight
Guide #6
Walker Man (as George Wilbur)
Walker Man
Reporter Grady
Reporter Birney
Security Guard (uncredited)