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