Billy Halop
Tommy Davis
Huntz Hall
Pig
Grace McDonald
Norene Steward
Bernard Punsly
Ape
Gabriel Dell
String
Edward Norris
Clinker
Virginia Brissac
Mrs. Bell
Tommy Kelly
Steve
Dick Hogan
Don Bell
Jed Prouty
Mack Steward
Murray Alper
Shorty
Paul Fix
Marco
Ernie Adams
Thief
John Bagni
Detective #2
