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