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
Betty Haines
Ray McDonald
Hank Parker
Dan Dailey
Al Haines
Leo Gorcey
'Snap' Collins
Charles Smith
Crawford Cortland
Dorothy Morris
Mildred Burnette
Rudolph Anders
Henry Schrode
Joe Sawyer
Dutch
