Cast
Anthony Warde
Killer Kane
Henry Brandon
Capt. Laska
Al Bridge
Dynamo Room Floor Guard
Theodore Lorch
Kane's Council Member
Kenne Duncan
Lt. Lacy
Eddy Chandler
Captain of Dirigible
Frank Ellis
Kane Soldier
Jackie Moran
George 'Buddy' Wade
William Gould
Air Marshal Kragg
John Harmon
Hidden City Air Controller
Lane Chandler
Army Official at Wade's Lab
Guy Usher
Aldar
Karl Hackett
Councillor Krenko
Wade Boteler
Prof. Wade
Cyril Delevanti
Saturnian Councilman
Eddie Parker
Council-Room Guard
Stanley Price
Capt. Martin / Zugg Man
Buster Crabbe
Buck Rogers
Wheeler Oakman
Lt. Patten
Jack Mulhall
Capt. Rankin
Carleton Young
Scott
David Sharpe
Kane Pilot / Hidden City Sentry / Saturnian Lieutenant
Constance Moore
Wilma Deering
Kenneth Harlan
Reporter at Wade's Lab
C. Montague Shaw
Prof. Huer