Dan Erickson
Betty Hamilton
Mark Wilson
Barry Lockridge
Steve Burton
Valerie Scott
Alexander B. Fitzhugh
Insp. Dobbs Kobick
SID Man / SID Officer
Cop / SID Officer Burns
Watchman Jake / Lt. Emar
Dr. Kraal / Sgt. Eson
Dr. Brulle
Capt. Ashim / Olds
Grotius / Jolo
Giant Fugitive / Sergeant
Miss Collier / Nurse Helg
Officer / Giant Guard
Prof. Kirmus / Inidu
SID Man / Policeman
Dr. Greta Gault / Harem Dancer
Senior Scientist / Police Sergeant
First Giant / P.G. Hanley
Carlos / General Aza
