cast
-
Buster Crabbe
Buck Rogers
-
Constance Moore
Wilma Deering
-
Jackie Moran
George 'Buddy' Wade
-
Anthony Warde
Killer Kane
-
C. Montague Shaw
Prof. Huer
-
William Gould
Air Marshal Kragg
- Philson Ahn Prince Tallen
-
Guy Usher
Aldar
-
Henry Brandon
Capt. Laska
-
Wheeler Oakman
Lt. Patten
-
Kenne Duncan
Lt. Lacy
-
Jack Mulhall
Capt. Rankin
- Reed Howes Capt. Roberts
-
Carleton Young
Scott
-
Karl Hackett
Councillor Krenko
-
John Harmon
Hidden City Air Controller
-
Wade Boteler
Prof. Wade
-
Al Bridge
Dynamo Room Floor Guard
- Roy Butler Control Officer
-
Eddy Chandler
Captain of Dirigible
-
Lane Chandler
Army Official at Wade's Lab
- Russ Clark Lt. Carson
- James Conaty Kane Councilman
-
Cyril Delevanti
Saturnian Councilman
-
Frank Ellis
Kane Soldier
- Jack Gardner Prof. Huer's Lab Assistant
-
Kenneth Harlan
Reporter at Wade's Lab
- Ben Lewis Cell Guard (uncredited)
-
Theodore Lorch
Kane's Council Member
- Edmund Mortimer Member of War Council
-
Eddie Parker
Council-Room Guard
-
Stanley Price
Capt. Martin / Zugg Man
-
David Sharpe
Kane Pilot / Hidden City Sentry / Saturnian Lieutenant
- Tom Steele Kane Pilot / Hidden City Tech / Balcony Guard