外星大脑

John Agar

Steve March

Joyce Meadows

Sally Fallon

Robert Fuller

Dan Murphy

Thomas Browne Henry

John Fallon

Henry Travis

Colonel Frogley

E. Leslie Thomas

General Brown

Tim Graham

Sheriff Wiley Pane

Bill Giorgio

Russian

Ken Terrell

Colonel in Conference Room

Dale Tate

Professor/voices of Gor & Vol (uncredited)