Matt Hammond / Loder
Sonny Hammond
Mark Hammond
Jerry King
Clancy
Sir Adrian Gillespie
Sergeant Ames / Jefferson
Judd / Professor Clifton
M. V. Archer / Mr Trundle
Mr. Hogan / Ernie
Hogwell / Carey
Gately / Senator Woodleigh-Smith
Dr. Stark
Joe / Truck Driver
Tara
The Poacher / Mr Hobbs
Jim Nelson / Jim Paine
Alf / Sergeant
Charlie / Skeen
Jim Ferguson / Tom Merrick
Dr Morton
Senator Winthrop / Mr Nielson
Ben Schuyler
Avery / Barton
