Obsazení
Anthony Warde
Killer Kane
Jack Mulhall
Capt. Rankin, Hidden City forces
Guy Usher
Aldar
Buster Crabbe
Col. Buck Rogers
William Gould
Air Marshal Kragg
Henry Brandon
Capt. Lasca
Kenne Duncan
Lt. Lacy
Carleton Young
Scott
Wheeler Oakman
Lieutenant Patten
Constance Moore
Lt. Wilma Deering
Jackie Moran
George 'Buddy' Wade
C. Montague Shaw
Dr. Huer
Reed Howes
Capt. Roberts
Kane Richmond
(archive footage)