Riff-Raff

A private detective foils the plans of villains attempting to take over Panamanian oil fields while he searches for a valuable map hidden in plain sight.

• 
  Pat O'Brien

  Dan Hammer
• 
  Anne Jeffreys

  Maxine Manning
• 
  Walter Slezak

  Eric Molinar
• 
  Percy Kilbride

  Pop
• 
  Jerome Cowan

  Walter F. Gredson
• 
  George Givot

  Police Lt. Rues
• 
  Jason Robards Sr.

  Mr. Domingues
• 
  Marc Krah

  Charles Hasso
• 
  Robert Andersen

  Co-Pilot (uncredited)
• 
  Ernest Anderson

  Wong - Houseboy (uncredited)