Cast
Reed Howes
Parker--Sub Crewman
Duke York
Sam (uncredited)
Eleanor Stewart
Janet Warfield
Jack Ingram
Dirigible Radioman (uncredited)
Hugh Sothern
Ben Warfield
John Picorri
Professor Gould
Edmund Cobb
Henchman Ellis
John Merton
Thompson (uncredited)
Lester Dorr
The Lightning (uncredited)
Montagu Love
General White
Forrest Taylor
Benson
Carleton Young
Johnson, 'Aurora' Crewman
Benson Fong
Gehorda Outlaw (uncredited)
Larry Steers
King (uncredited)
Lloyd Whitlock
Dirigible Captain (uncredited)
Bruce Bennett
Lieutenant Frank Corby
Frank Baker
General Snell (uncredited)
Al Taylor
Bearded Sailor (uncredited)
Buddy Roosevelt
Lieutenant of the 'Pawnee' (uncredited)
Tom London
Henchman Wilson
Victor Wong
Mikichan (uncredited)
Stanley Price
The Lightning (voice) (uncredited)
George Magrill
Jamison (uncredited)
Monte Montague
Jacobs (uncredited)
Sam Flint
Colonel Grayson
Lee Powell
Lieutenant Tom Grayson
John Davidson
Lin Wing
Theodore Lorch
'Wing' Henchman (uncredited)
Harry Strang
Sgt. Bennett (uncredited)
Robert J. Wilke
Marine in Shanghai (uncredited)