"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)
Bobby Barber
as Customs Inspector (uncredited)
Bonnie Blair
as Airport Official (uncredited)
Eddie Borden
as Panhandler (uncredited)
Tom Coleman
as Man in Hallway (uncredited)
Italia DeNubila
as Dancer (uncredited)
Alphonso DuBois
as Clerk (uncredited)
Fred Essler
as Hernandez - Man with Briefcase (uncredited)
Betty Hill
as Singer (uncredited)
Patt Hyatt
Lou Lubin
as Rabbit (uncredited)
Alice Ludes
Sam Lufkin
as Minor Role (uncredited)
Carmen López
as Hula Dancer (uncredited)
Saul Martell
as Hotel Desk Clerk (uncredited)
Dorothy McCarty
George Mendoza
as Mr. Marsh (uncredited)
Drew Miller
as Pilot (uncredited)
Tommy Noonan
as First Down-and-Outer at Cabaret (uncredited)
Eduardo Noriega
as Maitre D' Felice (uncredited)
Bob O'Connor
as Taxi Driver (uncredited)
Virginia Owen
Julian Rivero
as El Caribe Airport Manager (uncredited)
Hector V. Sarno
as Pedro, Concierge (uncredited)
Norbert Schiller
as Henchman (uncredited)
Sammy Stein
Tex Swan
as Driver (uncredited)
Nat Holt
Producer
Martin Rackin
Writer
Philip Martin
Editor
Roy Webb
Original Music Composer
George E. Diskant
Director of Photography
Ted Tetzlaff
Director
Jack J. Gross
Executive Producer
John E. Tribby
Sound Designer
Terry Kellum
Walter E. Keller
Art Direction
Darrell Silvera
Set Decoration
Michael Ohrenbach
Maxwell O. Henry
Assistant Director
Renié
Costume Design
Russell A. Cully
Special Effects
Albert S. D'Agostino