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
as Dan Hammer

Anne Jeffreys
as Maxine Manning

Walter Slezak
as Eric Molinar

Percy Kilbride
as Pop

Jerome Cowan
as Walter Gredson

George Givot
as Major Rues

Jason Robards Sr.
as Mr. Domingues

Marc Krah
as Charles Hasso

Robert Andersen
as Co-Pilot (uncredited)

Ernest Anderson
as Wong - Houseboy (uncredited)
John Chard
His name is Hammer and they call him Hammer, and he's just as subtle! Riffraff (AKA: erm, Riff-Raff) is directed by Ted Tetzlaff and written by Martin Rackin. It stars Pat O'Brien, Anne Jeffreys, Walter Slezak and Percy Kilbride. Music is by Roy Webb and cinematography by George Diskant. Somet...