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