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