Dirección: Umberto Lenzi
Una antropóloga, acompañada de su hermano y una amiga, viajan al Amazonas para realizar unos estudios sobre una tribu supuestamente caníbal. Las cosas se complican cuando se encuentran en la selva con un despiadado traficante de drogas...
Giovanni Lombardo Radice
Mike Logan
Lorraine De Selle
Gloria Davis
Danilo Mattei
Rudy Davis
Zora Kerova
Pat Johnson
Walter Lucchini
Joe Costolani
Fiamma Maglione
Myra Stenn
Robert Kerman
Lt. Rizzo
John Bartha
NYC Drug Enforcer
Venantino Venantini
Sgt. Ross
'El Indio' Rincon
Juanito
Giovanni Bergamini
Hotel Clerk (uncredited)
Riccardo Petrazzi
Hunter (uncredited)
Perry Pirkanen
Paul (uncredited)
Dominic Raacke
Tim Barrett (uncredited)
Jake Teague
Professor (uncredited)
Giovanni Lombardo Radice
Mike Logan
Lorraine De Selle
Gloria Davis
Danilo Mattei
Rudy Davis
Zora Kerova
Pat Johnson
Walter Lucchini
Joe Costolani
Fiamma Maglione
Myra Stenn
Robert Kerman
Lt. Rizzo
John Bartha
NYC Drug Enforcer
Venantino Venantini
Sgt. Ross
'El Indio' Rincon
Juanito
Giovanni Bergamini
Hotel Clerk (uncredited)
Riccardo Petrazzi
Hunter (uncredited)
Perry Pirkanen
Paul (uncredited)
Dominic Raacke
Tim Barrett (uncredited)
Jake Teague
Professor (uncredited)
Giovanni Lombardo Radice
Mike Logan
Lorraine De Selle
Gloria Davis
Danilo Mattei
Rudy Davis
Zora Kerova
Pat Johnson
Walter Lucchini
Joe Costolani
Fiamma Maglione
Myra Stenn
Robert Kerman
Lt. Rizzo
John Bartha
NYC Drug Enforcer
Venantino Venantini
Sgt. Ross
'El Indio' Rincon
Juanito
Giovanni Bergamini
Hotel Clerk (uncredited)
Riccardo Petrazzi
Hunter (uncredited)
Perry Pirkanen
Paul (uncredited)
Dominic Raacke
Tim Barrett (uncredited)
Jake Teague
Professor (uncredited)