William Blood
Polly
Herbert
Dr. Davidson
Dr. Wilmot
Professor Stephens
Leo
Rex
Roy
Prospector
Storekeeper
Dr. Hollis
1st Doctor
2nd Doctor
Woomera Director
Lorry Driver
Jaguar Driver
Scientist in charge of test chambers (uncredited)
N.A.R.S.T.I Security Guard (uncredited)
Woomera Security Guard (uncredited)
Jolly Woodman Pub Patron (uncredited)
Woomera Technician (uncredited)
Polly (voice) (uncredited)
(uncredited)