"A group of neighborhood teenagers discover some suspicious goings-on near a naval base in San Diego, and suspect that a foreign espionage ring is at work trying to find out military secrets."
Bonita Granville
as Betty Haines
Ray McDonald
as Hank Parker
Dan Dailey
as Al Haines
Leo Gorcey
as 'Snap' Collins
Charles Smith
as Crawford Cortland
Dorothy Morris
as Mildred Burnette
Rudolph Anders
as Henry Schrode
Joe Sawyer
as Dutch
Anthony Warde
as Tony
Stanley Clements
as Louie Schwartz
Henry O'Neill
as Col. Halliday
William Tannen
as Matt Herman
Veda Ann Borg
as Cashier (uncredited)
Hobart Cavanaugh
as Telegraph Clerk (uncredited)
Robert Kellard
as Bell Captain (uncredited)
James Millican
as Sentry (uncredited)
Walter Sande
as Sergeant (uncredited)
Ralph Sanford
as Man (uncredited)
Hans Schumm
as Mueller (uncredited)
Buster Slaven
as Bellhop (uncredited)
Ludwig Stössel
as Brock (uncredited)
Winifred Harris
as Lady
Harry Clork
Screenplay
Franz Schulz
Robert B. Sinclair
Director
Story
Ben Lewis
Editor
Frederick Stephani
Producer
Cedric Gibbons
Art Direction
Edwin B. Willis
Set Decoration
Paul Vogel
Director of Photography