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