Doctor Satan
Bob Wayne / Copperhead
Speed Martin
Prof. Thomas Scott
Lois Scott
Alice Brent
Gov. Bronson
Police Chief Rand
Col. Bevans
Stoner
Gort
Hallett
Corbay
Ross
Scarlett
Corwin
Joe
Henchman-Driver Spike
Gray, Pick-up Thug
Panamint Pete
Co-Pilot
Sailor at Winch
Nurse
Barton
Police Lieutenant
Wells - Governor's Secretary
Station Master Burns
Officer
Gas Station Attendant
Plant Henchman
Al
Roper
Duke - Mine Thug
Red - Mine Thug
Capt. Lathrop
Proprietor
House Heavy
Plant Henchman
Steve - Pilot
Henchman Fallon
House Heavy
Chuck - Lead Truck Thug
P&G Warehouse Mgr.
Henchman-Guard
Jake - Biplane Pilot
Detective Brock
Warehouse Watchman
Truck Henchman
Police Officer Davis
Watkins - Fire Escape Thug
Detective Perry
Palmer - Thug
Prof. Williams
Truck Henchman
Sailor at Cable