Tony Pino
Peter Falk
Joe McGinnis
Peter Boyle
Mutt Murphy
Malachy McCourt
FBI Agent
Randy Jurgensen
John Brandon
Lineup Gallery Cop
Robert Prosky
FBI Agent # 3
Earl Hindman
Vinnie Costa
Allen Garfield
Specs O'Keefe
Warren Oates
Mary Pino
Gena Rowlands
Jazz Maffie
Paul Sorvino
J. Edgar Hoover
Sheldon Leonard
Stanley Gusciora
Kevin O'Connor
Sandy Richardson
Gerard Murphy
H. H. Rightmire
Patrick Hines
Director
William Friedkin
Production Design
Dean Tavoularis
Executive Producer
Dino De Laurentiis
Writer
Walon Green
Assistant Camera
Hank Muller
Book
Noel Behn
Producer
Ralph B. Serpe
Original Music Composer
Richard Rodney Bennett
Director of Photography
Norman Leigh
Editor
Bud S. Smith
Robert K. Lambert
Casting
Louis DiGiaimo
Art Direction
Angelo P. Graham
Set Decoration
Bruce Kay
George R. Nelson
Costume Design
Ruth Morley
Makeup Artist
Robert Norin
Sound Designer
Jeff Wexler
Sound Re-Recording Mixer
Robert Glass
Robert Knudson