• 
  William Friedkin

  regizor

• 
  Edward M. Keyes

  scenarist
• 
  Howard Hawks

  scenarist
• 
  Ernest Tidyman

  scenarist
• 
  Robin Moore

  scenarist

• 
  Gene Hackman

  Jimmy Doyle
• 
  Roy Scheider

  Roy Scheider
• 
  André Ernotte

  La Valle

• 
  William Coke
• 
  Bill Hickman

  Mulderig
• 
  Eddie Egan

  Simonson
• 
  Benny Marino

  Lou Boca
• 
  Harold Gary

  Weinstock
• 
  Sarina C. Grant

  prostituată
• 
  Eric Jones

• 
  Joe Lo Grippo
• 
  Frédéric de Pasquale

  Devereaux
• 
  Tony Lo Bianco

  Sal Boca
• 
  Frank Adonis
• 
  Alan Weeks
• 
  Marcel Bozzuffi

  Pierre Nicoli
• 
  Sonny Grosso

  Klein
• 
  Fernando Casado Arambillet

  Alain Charnier
• 
  Charles McGregor

  Baldy
• 
  Lora Mitchell
• 
  Melonie Haller
• 
  Ann Rebbot

  Marie Charnier
• 
  Randy Jurgensen

  sergent de poliţie
• 
  Irving Abrahams
• 
  Al Fann

  informator
• 
  Arlene Farber

  Angie Boca
• 
  Patrick McDermott

  chimist
• 
  Gilda Albertoni

• 
  Philip D'Antoni

  producător
• 
  Kenneth Utt

  producător asociat
• 
  Joseph Fretwell III

  costume
• 
  Gerald B. Greenberg

  montaj
• 
  G. David Schine

  producător executiv
• 
  Don Ellis

  coloană sonoră
• 
  Edward Garzero

  decoruri