Jackie Scanlon / 'Juan Dominguez'
Roy Scheider
Victor Manzon / 'Serrano'
Bruno Cremer
Agrippa
Rosario Almontes
Billy White
Richard Holley
Blanche
Anne-Marie Deschodt
Pascal
Jean-Luc Bideau
Lefevre
Jacques François
Guillot
André Falcon
Donnelly
Gerard Murphy
Boyle
Desmond Crofton
Murray
Henry Diamond
Ben
Ray Dittrich
Nilo
Francisco Rabal
Marty
Frank Gio
Vinnie
Randy Jurgensen
Carlo Ricci
Cosmo 'Gus' Allegretti
Father Ricci (uncredited)
Nick Discenza
Married Man (uncredited)
Frank Pesce
Bystander (uncredited)
Tom Signorelli
Kassem / 'Martinez'
Amidou
Corlette
Ramon Bieri
Lartigue
Peter Capell
'Marquez'
Karl John
'Carlos'
Friedrich von Ledebur
Bobby del Rios
Chico Martínez
Spider
Joe Spinell
Stunt Coordinator
Bud Ekins
Stunts
Nick Dimitri
Title Designer
Dan Perri
Thanks
Henri-Georges Clouzot
Director
William Friedkin
Screenplay
Producer
Costume Design
Anthony Powell
Original Music Composer
Christopher Franke
Second Assistant Director
Mark Johnson
Sound Effects Editor
Charles L. Campbell
Dialogue Coach
Mickey Knox
Walon Green
Edgar Froese
Boom Operator
Jean-Paul Mugel
Unit Manager
Novel
Georges Arnaud
Production Design
John Box
Director of Photography
Dick Bush
John M. Stephens
Editor
Bud S. Smith
Robert K. Lambert
Sound Editor
Larry Carow
Set Decoration
Robert W. Laing
Art Direction
Roy Walker
Associate Producer
Sound Re-Recording Mixer
Gary Alexander
Sound Designer
Aaron Levy
Robert Knudson
Roger Sword
Colin C. Mouat
James Perdue
Second Unit Director
Production Executive
Bob Larson
Special Effects
Tony Parmelee
Production Assistant
Pericles Mejía
Production Accountant
Charles A. Ogle
Unit Production Manager
Patrick Gordon
First Assistant Director
Miguel Gil
Assistant Sound Editor
Allan Bromberg
Draughtsman
Leslie Tomkins
Production Manager
Lindsley Parsons Jr.
Roni Ya'ackov
Sound Mixer
Dennis Maitland
Grip
George Ressler
Jean-Guy Jacques
Assistant Camera
Michael Simpson
Transportation Co-Captain
Gene Clinesmith
William Kenney
Driver
Ricardo Gallarzo Jr.
James M. Sheppherd
Clapper Loader
Shaun O'Dell
Casting
Louis DiGiaimo
Assistant Accountant
Paul Roedl
Focus Puller
Michael Garfath
Camera Operator
Ronald Vidor
Underwater Camera
Gaffer
Pat Blymyer
Best Boy Lighting Technician
Mike Weathers
Assistant Editor
Ned Humphreys
Newt Arnold
Robert Glass
Transportation Coordinator
Whitey Ellison
Makeup Artist
Ben Nye Jr.
Robert Norin
Assistant Property Master
Gene Anderson
Pilot
John Norin
Technical Advisor
Marvin Peck
Other
Ron Nagle
Roberto Bakker
Scott Matthews
Script Supervisor
John Franco
Richard Tyler
Bernie Schwartz
Construction Coordinator
Doug Millett
Key Grip
Gaylin P. Schultz
Sound Recordist
Jean-Louis Ducarme
Cynthia Scheider
Hairdresser
Verne Caruso
Albert M. Shapiro
Production Secretary
Nanette Siegert
Property Master
Barry Bedig
Music Editor
Jere Huggins
Ken Pattenden
Visual Effects
Marv Ystrom